{"id":9269,"date":"2021-05-04T17:35:25","date_gmt":"2021-05-04T20:35:25","guid":{"rendered":"https:\/\/biologo.com.br\/bio\/?p=9269"},"modified":"2021-05-04T17:44:29","modified_gmt":"2021-05-04T20:44:29","slug":"evolucao-do-virus","status":"publish","type":"post","link":"https:\/\/biologo.com.br\/bio\/evolucao-do-virus\/","title":{"rendered":"Evolu\u00e7\u00e3o do v\u00edrus"},"content":{"rendered":"<p><span style=\"font-size: 14pt; color: #000000;\"><span style=\"color: #3366ff;\"><strong>Evolu\u00e7\u00e3o do v\u00edrus: <\/strong><span style=\"color: #000000;\">Baixos \u00edndices de vacina\u00e7\u00e3o e falta de controle da circula\u00e7\u00e3o do Sars-CoV-2 favorecem o surgimento de variantes mais transmiss\u00edveis e letais.<\/span><\/span><\/span><\/p>\n<h2><span style=\"font-family: 'courier new', courier, monospace; font-size: 24pt; color: #000000;\"><strong>Evolu\u00e7\u00e3o do v\u00edrus<\/strong><\/span><\/h2>\n<p><span style=\"font-size: 8pt; color: #000000;\">4\/5\/2021 ::\u00a0 Por Ricardo Zorzetto<\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: georgia, palatino, serif; font-size: 24pt;\"><strong>E<\/strong><\/span>m um ano de pandemia, oficialmente decretada em 11 de mar\u00e7o de 2020 pela Organiza\u00e7\u00e3o Mundial da Sa\u00fade (OMS), o mundo assistiu, at\u00f4nito, ao adoecimento de 122 milh\u00f5es de pessoas e \u00e0 morte de ao menos 2,7 milh\u00f5es \u2013 um ter\u00e7o delas ocorridas em apenas tr\u00eas pa\u00edses: Estados Unidos, Brasil e M\u00e9xico. <\/span><\/p>\n<figure id=\"attachment_6729\" aria-describedby=\"caption-attachment-6729\" style=\"width: 300px\" class=\"wp-caption alignright\"><a href=\"https:\/\/biologo.com.br\/bio\/virus-assassino-invisivel\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"6729\" data-permalink=\"https:\/\/biologo.com.br\/bio\/virus-assassino-invisivel\/virus-assassino-invisivel-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/04\/V%C3%ADrus-assassino-invis%C3%ADvel.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"V\u00edrus-assassino-invis\u00edvel\" data-image-description=\"&lt;p&gt; Colorized transmission electron micrograph of Severe Acute Respiratory Syndrome (SARS) virus particles (orange) found near the periphery of an infected cell (green). Image captured and color-enhanced at the NIAID Integrated Research Facility in Fort Detrick, Maryland. Credit: NIAID&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;V\u00edrus, assassino invis\u00edvel&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/04\/V%C3%ADrus-assassino-invis%C3%ADvel.jpg?fit=631%2C351&amp;ssl=1\" class=\"wp-image-6729 size-medium\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/04\/V%C3%ADrus-assassino-invis%C3%ADvel.jpg?resize=300%2C167&#038;ssl=1\" alt=\"V\u00edrus, assassino invis\u00edvel\" width=\"300\" height=\"167\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/04\/V%C3%ADrus-assassino-invis%C3%ADvel.jpg?resize=300%2C167&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/04\/V%C3%ADrus-assassino-invis%C3%ADvel.jpg?w=631&amp;ssl=1 631w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-6729\" class=\"wp-caption-text\"><a href=\"https:\/\/biologo.com.br\/bio\/virus-assassino-invisivel\/\"><span style=\"font-size: 10pt; color: #0000ff;\">V\u00edrus, assassino invis\u00edvel<\/span><\/a><\/figcaption><\/figure>\n<p><span style=\"color: #000000;\">Tamb\u00e9m p\u00f4de acompanhar, em tempo quase real e com um n\u00edvel de detalhe talvez nunca visto antes, a evolu\u00e7\u00e3o do pat\u00f3geno que p\u00f4s de joelhos o sistema de sa\u00fade e afetou profundamente a economia de muitas na\u00e7\u00f5es. Desde que foi identificado no final de 2019 na cidade de Wuhan, na regi\u00e3o central da China, o v\u00edrus Sars-CoV-2 sofreu uma s\u00e9rie de transforma\u00e7\u00f5es enquanto se espalhava pelo planeta.<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 14pt; color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/biologo.com.br\/bio\/mutacao-no-novo-coronavirus\/\">Muta\u00e7\u00e3o no novo coronav\u00edrus<\/a><\/span><\/li>\n<li><span style=\"font-size: 14pt; color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/biologo.com.br\/bio\/estudando-o-novo-coronavirus\/\">Estudando o novo coronav\u00edrus<\/a><\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">\u00c0 medida que infectava mais e mais pessoas e se replicava, acumulou pequenas modifica\u00e7\u00f5es em seu material gen\u00e9tico at\u00e9 que, em diferentes locais e momentos, j\u00e1 estava t\u00e3o diferente do original que passou a ser considerado uma nova variante, que, ao prosperar e se disseminar, come\u00e7a a ser chamada de linhagem \u2013 a linhagem agrupa exemplares com a mesma origem e muito semelhantes entre si, mas que podem possuir pequenas diferen\u00e7as.<\/span><\/p>\n<figure id=\"attachment_6887\" aria-describedby=\"caption-attachment-6887\" style=\"width: 300px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/biologo.com.br\/bio\/epidemiologista-na-pandemia\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"6887\" data-permalink=\"https:\/\/biologo.com.br\/bio\/epidemiologista-na-pandemia\/epidemiologista-na-pandemia-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/04\/Epidemiologista-na-Pandemia.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Epidemiologista-na-Pandemia\" data-image-description=\"&lt;p&gt;Epidemiologista na Pandemia.&lt;br \/&gt;\ncientista, microbiologista, v\u00edrus, biologia molecular, laborat\u00f3rio, teste de coronav\u00edrus, COVID-19&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Epidemiologista na Pandemia&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/04\/Epidemiologista-na-Pandemia.jpg?fit=631%2C351&amp;ssl=1\" class=\"wp-image-6887 size-medium\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/04\/Epidemiologista-na-Pandemia.jpg?resize=300%2C167&#038;ssl=1\" alt=\"Epidemiologista na Pandemia\" width=\"300\" height=\"167\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/04\/Epidemiologista-na-Pandemia.jpg?resize=300%2C167&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/04\/Epidemiologista-na-Pandemia.jpg?w=631&amp;ssl=1 631w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-6887\" class=\"wp-caption-text\"><span style=\"font-size: 10pt; color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/biologo.com.br\/bio\/epidemiologista-na-pandemia\/\">Epidemiologista na Pandemia<\/a><\/span><\/figcaption><\/figure>\n<h6><span style=\"color: #000000;\"><strong><span style=\"font-family: 'courier new', courier, monospace; font-size: 12pt;\">Genomas virais<\/span><\/strong><\/span><\/h6>\n<p><span style=\"color: #000000;\">Em 15 de mar\u00e7o deste ano, a Nextstrain, uma ferramenta de visualiza\u00e7\u00e3o de genomas virais, listava nada menos do que 359 linhagens do novo coronav\u00edrus catalogadas desde dezembro de 2019 pelo sistema de classifica\u00e7\u00e3o Pangolin. Entre tantas, tr\u00eas delas \u2013 uma surgida no Reino Unido, outra na \u00c1frica do Sul e uma terceira no Brasil \u2013 v\u00eam causando especial preocupa\u00e7\u00e3o por serem mais transmiss\u00edveis, poderem escapar \u00e0 a\u00e7\u00e3o de anticorpos e, em alguns casos, provocarem doen\u00e7a mais grave do que as que circulavam anteriormente. <\/span><\/p>\n<p><span style=\"color: #000000;\">\u201cCom as ferramentas gen\u00e9ticas de que dispomos atualmente, estamos assistindo \u00e0 evolu\u00e7\u00e3o desse pat\u00f3geno ao mesmo tempo que ela ocorre\u201d, afirma o virologista Jos\u00e9 Luiz Proen\u00e7a M\u00f3dena, coordenador do Laborat\u00f3rio de Estudos de V\u00edrus Emergentes da Universidade Estadual de Campinas (Unicamp).<\/span><\/p>\n<h3><strong><span style=\"color: #000000; font-family: 'courier new', courier, monospace; font-size: 12pt;\"> Sars-CoV-2<\/span><\/strong><\/h3>\n<p><a href=\"https:\/\/biologo.com.br\/bio\/um-virus-desconhecido\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"6720\" data-permalink=\"https:\/\/biologo.com.br\/bio\/um-virus-desconhecido\/um-virus-desconhecido-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/04\/Um-V%C3%ADrus-Desconhecido.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Um-V\u00edrus-Desconhecido\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Um V\u00edrus Desconhecido&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/04\/Um-V%C3%ADrus-Desconhecido.jpg?fit=631%2C351&amp;ssl=1\" class=\"wp-image-6720 size-thumbnail alignleft\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/04\/Um-V%C3%ADrus-Desconhecido.jpg?resize=150%2C150&#038;ssl=1\" alt=\"Um V\u00edrus Desconhecido\" width=\"150\" height=\"150\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/04\/Um-V%C3%ADrus-Desconhecido.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/04\/Um-V%C3%ADrus-Desconhecido.jpg?zoom=2&amp;resize=150%2C150&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/04\/Um-V%C3%ADrus-Desconhecido.jpg?zoom=3&amp;resize=150%2C150&amp;ssl=1 450w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a><\/p>\n<p><span style=\"color: #000000;\">A primeira dessas variantes, que j\u00e1 se tornou uma linhagem e em mar\u00e7o estava presente em 118 pa\u00edses, foi detectada em 14 de dezembro do ano passado no Reino Unido. Ela come\u00e7ou a circular em setembro no condado de Kent, no sudeste da Inglaterra, e rapidamente se espalhou. Apelidada inicialmente de variante de Kent ou brit\u00e2nica, tornou-se depois conhecida por um frio e s\u00f3brio conjunto de letras e n\u00fameros (B.1.1.7) definido por uma nomenclatura proposta por pesquisadores da Austr\u00e1lia e do Reino Unido. <\/span><\/p>\n<p><span style=\"color: #000000;\">Essa sequ\u00eancia de n\u00fameros indica que ela \u00e9 a s\u00e9tima variante derivada da primeira que descende da linhagem B.1, uma das duas que surgiu originalmente em Wuhan \u2013 a outra, possivelmente mais antiga, \u00e9 a A.1, que desapareceu em meados do ano passado. <\/span><\/p>\n<figure id=\"attachment_7063\" aria-describedby=\"caption-attachment-7063\" style=\"width: 300px\" class=\"wp-caption alignright\"><a href=\"https:\/\/biologo.com.br\/bio\/teoria-e-pratica-da-evolucao\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"7063\" data-permalink=\"https:\/\/biologo.com.br\/bio\/teoria-e-pratica-da-evolucao\/teoria-e-pratica-da-evolucao\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/05\/Teoria-e-pr%C3%A1tica-da-evolu%C3%A7%C3%A3o.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Teoria-e-pr\u00e1tica-da-evolu\u00e7\u00e3o\" data-image-description=\"&lt;p&gt;by  (U.S. Air Force photo: Kemberly Groue) The Air Force Medical Genetics Center is the only laboratory of its kind in the entire Defense Department and is aiding in the fight against COVID-19 by conducting deep genomic sequencing of the SARS-CoV-2 virus strain. Teoria e pr\u00e1tica da evolu\u00e7\u00e3o&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;O Centro de Gen\u00e9tica M\u00e9dica da For\u00e7a A\u00e9rea \u00e9 o \u00fanico laborat\u00f3rio desse tipo em todo o Departamento de Defesa e est\u00e1 ajudando na luta contra o COVID-19, realizando um profundo seq\u00fcenciamento gen\u00f4mico da cepa do v\u00edrus SARS-CoV-2.&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/05\/Teoria-e-pr%C3%A1tica-da-evolu%C3%A7%C3%A3o.jpg?fit=631%2C351&amp;ssl=1\" class=\"wp-image-7063 size-medium\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/05\/Teoria-e-pr%C3%A1tica-da-evolu%C3%A7%C3%A3o.jpg?resize=300%2C167&#038;ssl=1\" alt=\"Teoria e pr\u00e1tica da evolu\u00e7\u00e3o\" width=\"300\" height=\"167\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/05\/Teoria-e-pr%C3%A1tica-da-evolu%C3%A7%C3%A3o.jpg?resize=300%2C167&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/05\/Teoria-e-pr%C3%A1tica-da-evolu%C3%A7%C3%A3o.jpg?w=631&amp;ssl=1 631w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-7063\" class=\"wp-caption-text\"><a href=\"https:\/\/biologo.com.br\/bio\/teoria-e-pratica-da-evolucao\/\"><span style=\"font-size: 10pt;\">Teoria e pr\u00e1tica da evolu\u00e7\u00e3o<\/span><\/a><\/figcaption><\/figure>\n<p><span style=\"color: #000000;\">Por causa de algumas altera\u00e7\u00f5es (muta\u00e7\u00f5es) que apresenta no genoma, a B.1.1.7 \u00e9 transmitida ao menos duas vezes mais facilmente do que a linhagem que a originou e, ao que parece, tamb\u00e9m causa doen\u00e7a mais grave. No final de 2020 havia sinais de que ela poderia contribuir para o aumento das hospitaliza\u00e7\u00f5es no Reino Unido e, agora, surgiram evid\u00eancias de que est\u00e1 associada a um risco maior de morrer.<\/span><\/p>\n<p><span style=\"color: #000000;\">Em um estudo publicado em 15 de mar\u00e7o na revista\u00a0<em>Nature<\/em>, o epidemiologista Nicholas Davies e matem\u00e1ticos e estat\u00edsticos da Escola de Higiene e Medicina Tropical de Londres estimaram que uma pessoa infectada por essa variante tem, em m\u00e9dia, uma probabilidade 61% maior de morrer do que algu\u00e9m que contraiu alguma das linhagens que circulavam anteriormente. Eles chegaram a essa conclus\u00e3o depois de analisar 4.945 \u00f3bitos ocorridos em um grupo de 1.146.534 brit\u00e2nicos que haviam testado positivo para o novo coronav\u00edrus.<\/span><\/p>\n<h4><span style=\"font-family: 'courier new', courier, monospace; font-size: 12pt; color: #000000;\"><strong>Risco de morte<\/strong><\/span><\/h4>\n<figure id=\"attachment_9047\" aria-describedby=\"caption-attachment-9047\" style=\"width: 300px\" class=\"wp-caption alignright\"><a href=\"https:\/\/biologo.com.br\/bio\/as-novas-variantes\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"9047\" data-permalink=\"https:\/\/biologo.com.br\/bio\/as-novas-variantes\/as-novas-variantes-do-coronavirus\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2021\/04\/As-novas-variantes-do-coronavirus.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"As-novas-variantes-do-coronavirus\" data-image-description=\"&lt;p&gt;As novas variantes. NIH Image GallerySeguir&lt;br \/&gt;\nNovo Coronav\u00edrus SARS-CoV-2&lt;br \/&gt;\nMicrografia eletr\u00f4nica de varredura colorida de uma c\u00e9lula apopt\u00f3tica (marrom esverdeado) fortemente infectada com part\u00edculas do v\u00edrus SARS-COV-2 (rosa), isolada de uma amostra de paciente. Imagem capturada e aprimorada com cores no NIAID Integrated Research Facility (IRF) em Fort Detrick, Maryland.&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;NIH Image GallerySeguir&lt;br \/&gt;\nNovo Coronav\u00edrus SARS-CoV-2&lt;br \/&gt;\nMicrografia eletr\u00f4nica de varredura colorida de uma c\u00e9lula apopt\u00f3tica (marrom esverdeado) fortemente infectada com part\u00edculas do v\u00edrus SARS-COV-2 (rosa), isolada de uma amostra de paciente. Imagem capturada e aprimorada com cores no NIAID Integrated Research Facility (IRF) em Fort Detrick, Maryland.&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2021\/04\/As-novas-variantes-do-coronavirus.jpg?fit=631%2C351&amp;ssl=1\" class=\"wp-image-9047 size-medium\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2021\/04\/As-novas-variantes-do-coronavirus.jpg?resize=300%2C167&#038;ssl=1\" alt=\"As novas variantes do coronav\u00edrus\" width=\"300\" height=\"167\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2021\/04\/As-novas-variantes-do-coronavirus.jpg?resize=300%2C167&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2021\/04\/As-novas-variantes-do-coronavirus.jpg?w=631&amp;ssl=1 631w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-9047\" class=\"wp-caption-text\"><span style=\"font-size: 10pt;\"><a href=\"https:\/\/biologo.com.br\/bio\/as-novas-variantes\/\">As novas variantes do coronav\u00edrus<\/a><\/span><\/figcaption><\/figure>\n<p><span style=\"color: #000000;\">Dias antes, pesquisadores liderados pelo m\u00e9dico Robert Challen, da Universidade de Exeter, tamb\u00e9m no Reino Unido, apresentaram um resultado semelhante em artigo publicado em 10 de mar\u00e7o na revista\u00a0<em>The BMJ<\/em>. Ao comparar o total de mortes em um grupo de 54.906 brit\u00e2nicos infectados com a B.1.1.7 com os \u00f3bitos em n\u00famero igual de pessoas que haviam contra\u00eddo outra linhagem do v\u00edrus, verificaram que o primeiro grupo tinha um risco de morrer 64% maior do que o segundo.<\/span><\/p>\n<p><span style=\"color: #000000;\">Apesar de se disseminar facilmente na popula\u00e7\u00e3o humana, o Sars-CoV-2, na fase inicial da pandemia, parecia ser um v\u00edrus razoavelmente bem-comportado, que sofria modifica\u00e7\u00f5es muito lentamente. A cada m\u00eas acumulava, em m\u00e9dia, duas muta\u00e7\u00f5es na sequ\u00eancia de quase 30 mil bases nitrogenadas, as letras qu\u00edmicas que comp\u00f5em seu genoma, uma esp\u00e9cie de manual de instru\u00e7\u00f5es para a fabrica\u00e7\u00e3o de novas c\u00f3pias do v\u00edrus. S\u00f3 para se ter um par\u00e2metro de compara\u00e7\u00e3o, o v\u00edrus da influenza A, causador de pandemias de gripe, evolui muito mais rapidamente: sofre uma muta\u00e7\u00e3o a cada vez que se multiplica, em quest\u00e3o de horas, ritmo que obriga a atualiza\u00e7\u00e3o anual da composi\u00e7\u00e3o da vacina contra a gripe.<\/span><\/p>\n<h4><strong><span style=\"font-family: 'courier new', courier, monospace; font-size: 12pt;\">Variantes<\/span><\/strong><\/h4>\n<figure id=\"attachment_9272\" aria-describedby=\"caption-attachment-9272\" style=\"width: 300px\" class=\"wp-caption alignleft\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"9272\" data-permalink=\"https:\/\/biologo.com.br\/bio\/evolucao-do-virus\/evolucao-do-virus-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2021\/05\/Evolucao-do-virus.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Evolucao-do-virus\" data-image-description=\"&lt;p&gt;Novel Coronavirus SARS-CoV-2&lt;br \/&gt;\nThis scanning electron microscope image shows SARS-CoV-2 (round gold objects) emerging from the surface of cells cultured in the lab. SARS-CoV-2, also known as 2019-nCoV, is the virus that causes COVID-19. The virus shown was isolated from a patient in the U.S. Credit: NIAID-RML. Baixos \u00edndices de vacina\u00e7\u00e3o e falta de controle da circula\u00e7\u00e3o do Sars-CoV-2 favorecem o surgimento de variantes mais transmiss\u00edveis e letais.&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Evolu\u00e7\u00e3o do v\u00edrus SARS-CoV-2&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2021\/05\/Evolucao-do-virus.jpg?fit=631%2C351&amp;ssl=1\" class=\"wp-image-9272 size-medium\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2021\/05\/Evolucao-do-virus.jpg?resize=300%2C167&#038;ssl=1\" alt=\"Evolu\u00e7\u00e3o do v\u00edrus SARS-CoV-2\" width=\"300\" height=\"167\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2021\/05\/Evolucao-do-virus.jpg?resize=300%2C167&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2021\/05\/Evolucao-do-virus.jpg?w=631&amp;ssl=1 631w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-9272\" class=\"wp-caption-text\"><span style=\"font-size: 10pt; color: #000000;\">Imagem de microsc\u00f3pio eletr\u00f4nico de varredura: SARS-CoV-2 (objetos redondos dourados) emergindo da superf\u00edcie de c\u00e9lulas<span style=\"font-size: 8pt;\">. by NIAID-RML.<\/span><\/span><\/figcaption><\/figure>\n<p><span style=\"color: #000000;\">J\u00e1 no final de 2020, quando eram anunciados os resultados de efic\u00e1cia das primeiras vacinas e ressurgia a esperan\u00e7a de que a pandemia estivesse se atenuando, o novo coronav\u00edrus voltou a surpreender. \u201cPassaram a surgir variantes que apresentavam simultaneamente v\u00e1rias <span style=\"text-decoration: underline;\"><a href=\"https:\/\/biologo.com.br\/bio\/mutacao-no-novo-coronavirus\/\">muta\u00e7\u00f5es<\/a><\/span> e se disseminaram rapidamente, substituindo as anteriores\u201d, lembra o virologista Fernando Spilki, pesquisador da Universidade Feevale, no Rio Grande do Sul, e coordenador da Rede Nacional de \u00f4micas de Covid-19, a Corona-\u00f4mica BR, que acompanha a circula\u00e7\u00e3o do v\u00edrus no pa\u00eds.<\/span><\/p>\n<p><span style=\"color: #000000;\">Uma dessas variantes \u00e9 a que originou a linhagem B.1.1.7. Ela apresenta 23 muta\u00e7\u00f5es em rela\u00e7\u00e3o \u00e0 B.1, de Wuhan, das quais 17 provocam a troca de um amino\u00e1cido nas prote\u00ednas do v\u00edrus \u2013 as outras seis s\u00e3o in\u00f3cuas (<em>ver infogr\u00e1fico abaixo<\/em>). Os amino\u00e1cidos s\u00e3o compostos qu\u00edmicos que, unidos uns aos outros em sequ\u00eancia, formam as prote\u00ednas. Em alguns casos, a substitui\u00e7\u00e3o de um \u00fanico amino\u00e1cido \u00e9 suficiente para alterar a estrutura tridimensional da prote\u00edna e modificar seu funcionamento.<\/span><\/p>\n<h4><span style=\"color: #000000; font-family: 'courier new', courier, monospace; font-size: 10pt;\">Estudos:<\/span><\/h4>\n<p><span style=\"font-size: 8pt; color: #000000;\">DAVIES, M. G. <em>et al.<\/em>\u00a0<a style=\"color: #000000;\" href=\"https:\/\/www.nature.com\/articles\/s41586-021-03426-1\" target=\"_blank\" rel=\"noopener noreferrer\">Increased mortality in community-tested cases of SARS-CoV-2 lineage B.1.1.7<\/a>.\u00a0<strong>Nature<\/strong>. 15 mar. 2021.<\/span><br \/>\n<span style=\"font-size: 8pt; color: #000000;\">CHALLEN, R.\u00a0<em>et al<\/em>.\u00a0<a style=\"color: #000000;\" href=\"https:\/\/www.bmj.com\/content\/372\/bmj.n579\" target=\"_blank\" rel=\"noopener noreferrer\">Risk of mortality in patients infected with SARS-CoV-2 variant of concern 202012\/1: matched cohort study<\/a>.\u00a0<strong>The BMJ<\/strong>. 10 mar. 2021.<\/span><\/p>\n<h4><span style=\"color: #000000; font-family: 'courier new', courier, monospace; font-size: 10pt;\">Fonte: <\/span><span style=\"font-size: 8pt;\"><a title=\"O v\u00edrus em evolu\u00e7\u00e3o\" href=\"https:\/\/revistapesquisa.fapesp.br\/o-virus-em-evolucao\/\" target=\"_blank\" rel=\"noopener\">O v\u00edrus em evolu\u00e7\u00e3o<\/a>\/<a style=\"color: #000000;\" href=\"https:\/\/revistapesquisa.fapesp.br\/\" target=\"_blank\" rel=\"noopener noreferrer\">Revista Fapesp<\/a>\u00a0 <a style=\"color: #999999;\" href=\"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/\" target=\"_blank\" rel=\"noopener noreferrer\">CC BY-ND 4.0<\/a><\/span><\/h4>\n","protected":false},"excerpt":{"rendered":"<p>Evolu\u00e7\u00e3o do v\u00edrus: Baixos \u00edndices de vacina\u00e7\u00e3o e falta de controle da circula\u00e7\u00e3o do Sars-CoV-2 favorecem o surgimento de variantes<\/p>\n","protected":false},"author":1,"featured_media":9272,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"Baixos \u00edndices de vacina\u00e7\u00e3o e falta de controle da circula\u00e7\u00e3o do Sars-CoV-2 favorecem o surgimento de variantes mais transmiss\u00edveis e letais.","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[119,146,24],"tags":[],"class_list":["post-9269","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bioquimica","category-imunologia","category-microbiologia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Evolu\u00e7\u00e3o do v\u00edrus Sars-CoV-2 - Virologia e epidemiologia - Bi\u00f3logo<\/title>\n<meta name=\"description\" content=\"Baixos \u00edndices de vacina\u00e7\u00e3o e falta de controle da circula\u00e7\u00e3o do Sars-CoV-2 favorecem o surgimento de variantes mais transmiss\u00edveis e letais.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/biologo.com.br\/bio\/evolucao-do-virus\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Evolu\u00e7\u00e3o do v\u00edrus Sars-CoV-2 - Virologia e epidemiologia - Bi\u00f3logo\" \/>\n<meta property=\"og:description\" content=\"Baixos \u00edndices de vacina\u00e7\u00e3o e falta de controle da circula\u00e7\u00e3o do Sars-CoV-2 favorecem o surgimento de variantes mais transmiss\u00edveis e letais.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/biologo.com.br\/bio\/evolucao-do-virus\/\" \/>\n<meta property=\"og:site_name\" content=\"Bi\u00f3logo\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/biologocombr\/\" \/>\n<meta property=\"article:published_time\" content=\"2021-05-04T20:35:25+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-05-04T20:44:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2021\/05\/Evolucao-do-virus.jpg?fit=631%2C351&ssl=1\" \/>\n\t<meta property=\"og:image:width\" content=\"631\" \/>\n\t<meta property=\"og:image:height\" content=\"351\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"pozzana\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Biologocombr\" \/>\n<meta name=\"twitter:site\" content=\"@Biologocombr\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"pozzana\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/evolucao-do-virus\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/evolucao-do-virus\\\/\"},\"author\":{\"name\":\"pozzana\",\"@id\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/#\\\/schema\\\/person\\\/3a5d600bbc47f8bb0cd43594317a6cd4\"},\"headline\":\"Evolu\u00e7\u00e3o do v\u00edrus\",\"datePublished\":\"2021-05-04T20:35:25+00:00\",\"dateModified\":\"2021-05-04T20:44:29+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/evolucao-do-virus\\\/\"},\"wordCount\":1211,\"publisher\":{\"@id\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/evolucao-do-virus\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/i0.wp.com\\\/biologo.com.br\\\/bio\\\/wp-content\\\/uploads\\\/2021\\\/05\\\/Evolucao-do-virus.jpg?fit=631%2C351&ssl=1\",\"articleSection\":[\"Bioqu\u00edmica\",\"Imunologia\",\"Microbiologia\"],\"inLanguage\":\"pt-BR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/evolucao-do-virus\\\/\",\"url\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/evolucao-do-virus\\\/\",\"name\":\"Evolu\u00e7\u00e3o do v\u00edrus Sars-CoV-2 - Virologia e epidemiologia - Bi\u00f3logo\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/evolucao-do-virus\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/evolucao-do-virus\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/i0.wp.com\\\/biologo.com.br\\\/bio\\\/wp-content\\\/uploads\\\/2021\\\/05\\\/Evolucao-do-virus.jpg?fit=631%2C351&ssl=1\",\"datePublished\":\"2021-05-04T20:35:25+00:00\",\"dateModified\":\"2021-05-04T20:44:29+00:00\",\"description\":\"Baixos \u00edndices de vacina\u00e7\u00e3o e falta de controle da circula\u00e7\u00e3o do Sars-CoV-2 favorecem o surgimento de variantes mais transmiss\u00edveis e letais.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/evolucao-do-virus\\\/#breadcrumb\"},\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/biologo.com.br\\\/bio\\\/evolucao-do-virus\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-BR\",\"@id\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/evolucao-do-virus\\\/#primaryimage\",\"url\":\"https:\\\/\\\/i0.wp.com\\\/biologo.com.br\\\/bio\\\/wp-content\\\/uploads\\\/2021\\\/05\\\/Evolucao-do-virus.jpg?fit=631%2C351&ssl=1\",\"contentUrl\":\"https:\\\/\\\/i0.wp.com\\\/biologo.com.br\\\/bio\\\/wp-content\\\/uploads\\\/2021\\\/05\\\/Evolucao-do-virus.jpg?fit=631%2C351&ssl=1\",\"width\":631,\"height\":351,\"caption\":\"Evolu\u00e7\u00e3o do v\u00edrus SARS-CoV-2\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/evolucao-do-virus\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"In\u00edcio\",\"item\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Evolu\u00e7\u00e3o do v\u00edrus\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/#website\",\"url\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/\",\"name\":\"Bi\u00f3logo\",\"description\":\"Biologia. Informa\u00e7\u00f5es para bi\u00f3logos ou leigos. Eventos, v\u00eddeos e muito mais. Ci\u00eancias biol\u00f3gicas.\",\"publisher\":{\"@id\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"pt-BR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/#organization\",\"name\":\"Bi\u00f3logo\",\"url\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-BR\",\"@id\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/i0.wp.com\\\/biologo.com.br\\\/bio\\\/wp-content\\\/uploads\\\/2015\\\/12\\\/logo1.jpg?fit=179%2C57&ssl=1\",\"contentUrl\":\"https:\\\/\\\/i0.wp.com\\\/biologo.com.br\\\/bio\\\/wp-content\\\/uploads\\\/2015\\\/12\\\/logo1.jpg?fit=179%2C57&ssl=1\",\"width\":179,\"height\":57,\"caption\":\"Bi\u00f3logo\"},\"image\":{\"@id\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/biologocombr\\\/\",\"https:\\\/\\\/x.com\\\/Biologocombr\",\"https:\\\/\\\/www.instagram.com\\\/biologo.com.br\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/#\\\/schema\\\/person\\\/3a5d600bbc47f8bb0cd43594317a6cd4\",\"name\":\"pozzana\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-BR\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/fa8f924c29488a329bd70373453572f7494e802125f373a7f2937173cc26b21f?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/fa8f924c29488a329bd70373453572f7494e802125f373a7f2937173cc26b21f?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/fa8f924c29488a329bd70373453572f7494e802125f373a7f2937173cc26b21f?s=96&d=mm&r=g\",\"caption\":\"pozzana\"},\"url\":\"https:\\\/\\\/biologo.com.br\\\/bio\\\/author\\\/pozzana\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Evolu\u00e7\u00e3o do v\u00edrus Sars-CoV-2 - Virologia e epidemiologia - Bi\u00f3logo","description":"Baixos \u00edndices de vacina\u00e7\u00e3o e falta de controle da circula\u00e7\u00e3o do Sars-CoV-2 favorecem o surgimento de variantes mais transmiss\u00edveis e letais.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/biologo.com.br\/bio\/evolucao-do-virus\/","og_locale":"pt_BR","og_type":"article","og_title":"Evolu\u00e7\u00e3o do v\u00edrus Sars-CoV-2 - Virologia e epidemiologia - Bi\u00f3logo","og_description":"Baixos \u00edndices de vacina\u00e7\u00e3o e falta de controle da circula\u00e7\u00e3o do Sars-CoV-2 favorecem o surgimento de variantes mais transmiss\u00edveis e letais.","og_url":"https:\/\/biologo.com.br\/bio\/evolucao-do-virus\/","og_site_name":"Bi\u00f3logo","article_publisher":"https:\/\/www.facebook.com\/biologocombr\/","article_published_time":"2021-05-04T20:35:25+00:00","article_modified_time":"2021-05-04T20:44:29+00:00","og_image":[{"width":631,"height":351,"url":"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2021\/05\/Evolucao-do-virus.jpg?fit=631%2C351&ssl=1","type":"image\/jpeg"}],"author":"pozzana","twitter_card":"summary_large_image","twitter_creator":"@Biologocombr","twitter_site":"@Biologocombr","twitter_misc":{"Escrito por":"pozzana","Est. tempo de leitura":"6 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/biologo.com.br\/bio\/evolucao-do-virus\/#article","isPartOf":{"@id":"https:\/\/biologo.com.br\/bio\/evolucao-do-virus\/"},"author":{"name":"pozzana","@id":"https:\/\/biologo.com.br\/bio\/#\/schema\/person\/3a5d600bbc47f8bb0cd43594317a6cd4"},"headline":"Evolu\u00e7\u00e3o do v\u00edrus","datePublished":"2021-05-04T20:35:25+00:00","dateModified":"2021-05-04T20:44:29+00:00","mainEntityOfPage":{"@id":"https:\/\/biologo.com.br\/bio\/evolucao-do-virus\/"},"wordCount":1211,"publisher":{"@id":"https:\/\/biologo.com.br\/bio\/#organization"},"image":{"@id":"https:\/\/biologo.com.br\/bio\/evolucao-do-virus\/#primaryimage"},"thumbnailUrl":"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2021\/05\/Evolucao-do-virus.jpg?fit=631%2C351&ssl=1","articleSection":["Bioqu\u00edmica","Imunologia","Microbiologia"],"inLanguage":"pt-BR"},{"@type":"WebPage","@id":"https:\/\/biologo.com.br\/bio\/evolucao-do-virus\/","url":"https:\/\/biologo.com.br\/bio\/evolucao-do-virus\/","name":"Evolu\u00e7\u00e3o do v\u00edrus Sars-CoV-2 - Virologia e epidemiologia - Bi\u00f3logo","isPartOf":{"@id":"https:\/\/biologo.com.br\/bio\/#website"},"primaryImageOfPage":{"@id":"https:\/\/biologo.com.br\/bio\/evolucao-do-virus\/#primaryimage"},"image":{"@id":"https:\/\/biologo.com.br\/bio\/evolucao-do-virus\/#primaryimage"},"thumbnailUrl":"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2021\/05\/Evolucao-do-virus.jpg?fit=631%2C351&ssl=1","datePublished":"2021-05-04T20:35:25+00:00","dateModified":"2021-05-04T20:44:29+00:00","description":"Baixos \u00edndices de vacina\u00e7\u00e3o e falta de controle da circula\u00e7\u00e3o do Sars-CoV-2 favorecem o surgimento de variantes mais transmiss\u00edveis e letais.","breadcrumb":{"@id":"https:\/\/biologo.com.br\/bio\/evolucao-do-virus\/#breadcrumb"},"inLanguage":"pt-BR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/biologo.com.br\/bio\/evolucao-do-virus\/"]}]},{"@type":"ImageObject","inLanguage":"pt-BR","@id":"https:\/\/biologo.com.br\/bio\/evolucao-do-virus\/#primaryimage","url":"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2021\/05\/Evolucao-do-virus.jpg?fit=631%2C351&ssl=1","contentUrl":"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2021\/05\/Evolucao-do-virus.jpg?fit=631%2C351&ssl=1","width":631,"height":351,"caption":"Evolu\u00e7\u00e3o do v\u00edrus SARS-CoV-2"},{"@type":"BreadcrumbList","@id":"https:\/\/biologo.com.br\/bio\/evolucao-do-virus\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"In\u00edcio","item":"https:\/\/biologo.com.br\/bio\/"},{"@type":"ListItem","position":2,"name":"Evolu\u00e7\u00e3o do v\u00edrus"}]},{"@type":"WebSite","@id":"https:\/\/biologo.com.br\/bio\/#website","url":"https:\/\/biologo.com.br\/bio\/","name":"Bi\u00f3logo","description":"Biologia. Informa\u00e7\u00f5es para bi\u00f3logos ou leigos. Eventos, v\u00eddeos e muito mais. Ci\u00eancias biol\u00f3gicas.","publisher":{"@id":"https:\/\/biologo.com.br\/bio\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/biologo.com.br\/bio\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"pt-BR"},{"@type":"Organization","@id":"https:\/\/biologo.com.br\/bio\/#organization","name":"Bi\u00f3logo","url":"https:\/\/biologo.com.br\/bio\/","logo":{"@type":"ImageObject","inLanguage":"pt-BR","@id":"https:\/\/biologo.com.br\/bio\/#\/schema\/logo\/image\/","url":"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2015\/12\/logo1.jpg?fit=179%2C57&ssl=1","contentUrl":"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2015\/12\/logo1.jpg?fit=179%2C57&ssl=1","width":179,"height":57,"caption":"Bi\u00f3logo"},"image":{"@id":"https:\/\/biologo.com.br\/bio\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/biologocombr\/","https:\/\/x.com\/Biologocombr","https:\/\/www.instagram.com\/biologo.com.br\/"]},{"@type":"Person","@id":"https:\/\/biologo.com.br\/bio\/#\/schema\/person\/3a5d600bbc47f8bb0cd43594317a6cd4","name":"pozzana","image":{"@type":"ImageObject","inLanguage":"pt-BR","@id":"https:\/\/secure.gravatar.com\/avatar\/fa8f924c29488a329bd70373453572f7494e802125f373a7f2937173cc26b21f?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/fa8f924c29488a329bd70373453572f7494e802125f373a7f2937173cc26b21f?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/fa8f924c29488a329bd70373453572f7494e802125f373a7f2937173cc26b21f?s=96&d=mm&r=g","caption":"pozzana"},"url":"https:\/\/biologo.com.br\/bio\/author\/pozzana\/"}]}},"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2021\/05\/Evolucao-do-virus.jpg?fit=631%2C351&ssl=1","jetpack-related-posts":[{"id":9311,"url":"https:\/\/biologo.com.br\/bio\/do-ebola-a-covid-19\/","url_meta":{"origin":9269,"position":0},"title":"Do Ebola a Covid 19","author":"pozzana","date":"maio 7, 2021","format":false,"excerpt":"Do Ebola \u00e0 Covid-19: Uma retrospectiva dos sinais de alerta da crise de Ebola de 2014 \u00e0 medida que o mundo responde ao COVID-19. Do Ebola \u00e0 Covid-19 7\/5\/2021 ::\u00a0 Por Josu\u00e9 Fontana Hoje sabemos que a Covid-19 deu preju\u00edzo de trilh\u00f5es de d\u00f3lares somente nos EUA. Isso sem contar\u2026","rel":"","context":"Em &quot;Biom\u00e9dicas&quot;","block_context":{"text":"Biom\u00e9dicas","link":"https:\/\/biologo.com.br\/bio\/category\/biomedicas\/"},"img":{"alt_text":"Do Ebola \u00e0 Covid-19 - atua\u00e7\u00e3o do bi\u00f3logo","src":"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2021\/05\/Do-Ebola-a-Covid-19.jpg?fit=631%2C351&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2021\/05\/Do-Ebola-a-Covid-19.jpg?fit=631%2C351&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2021\/05\/Do-Ebola-a-Covid-19.jpg?fit=631%2C351&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":7060,"url":"https:\/\/biologo.com.br\/bio\/teoria-e-pratica-da-evolucao\/","url_meta":{"origin":9269,"position":1},"title":"Teoria e pr\u00e1tica da evolu\u00e7\u00e3o","author":"pozzana","date":"maio 27, 2020","format":false,"excerpt":"Teoria e pr\u00e1tica da evolu\u00e7\u00e3o:\u00a0Carlos Guerra Schrago: Disciplina que busca reconstituir as hist\u00f3rias das esp\u00e9cies est\u00e1, ela pr\u00f3pria, em muta\u00e7\u00e3o, de acordo com bi\u00f3logo da UFRJ. Teoria e pr\u00e1tica da evolu\u00e7\u00e3o Maio\/2020 :: Fabr\u00edcio Marques e Maria Guimar\u00e3es \/ Pesquisa FAPESP. \u00a0CC BY-ND 4.0 O bi\u00f3logo Carlos Guerra Schrago, do\u2026","rel":"","context":"Em &quot;Biom\u00e9dicas&quot;","block_context":{"text":"Biom\u00e9dicas","link":"https:\/\/biologo.com.br\/bio\/category\/biomedicas\/"},"img":{"alt_text":"Teoria e pr\u00e1tica da evolu\u00e7\u00e3o","src":"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/05\/Teoria-e-pr%C3%A1tica-da-evolu%C3%A7%C3%A3o.jpg?fit=631%2C351&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/05\/Teoria-e-pr%C3%A1tica-da-evolu%C3%A7%C3%A3o.jpg?fit=631%2C351&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/05\/Teoria-e-pr%C3%A1tica-da-evolu%C3%A7%C3%A3o.jpg?fit=631%2C351&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":3501,"url":"https:\/\/biologo.com.br\/bio\/documentario-imunologia\/","url_meta":{"origin":9269,"position":2},"title":"Document\u00e1rio Imunologia","author":"pozzana","date":"mar\u00e7o 12, 2018","format":"video","excerpt":"Document\u00e1rio Imunologia: Nesse especial voc\u00ea conhece microorganismos que representam grande amea\u00e7a para a sa\u00fade humana. Bact\u00e9rias, protozo\u00e1rios e v\u00edrus causam muitos \u00f3bitos em todo o mundo. Conhe\u00e7a alguns dos mais tem\u00edveis entre eles. Document\u00e1rio Imunologia https:\/\/www.youtube.com\/watch?v=0cxPdgq_0hM Foi descoberta a origem das bact\u00e9rias como tendo sido anterior a origem de outros\u2026","rel":"","context":"Em &quot;Biom\u00e9dicas&quot;","block_context":{"text":"Biom\u00e9dicas","link":"https:\/\/biologo.com.br\/bio\/category\/biomedicas\/"},"img":{"alt_text":"Vapi, \u00cdndia \u2013 Polui\u00e7\u00e3o na \u00e1gua - Document\u00e1rio Imunologia","src":"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2018\/02\/Vapi-%C3%8Dndia-%E2%80%93-Polui%C3%A7%C3%A3o-da-%C3%A1gua.jpg?fit=631%2C351&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2018\/02\/Vapi-%C3%8Dndia-%E2%80%93-Polui%C3%A7%C3%A3o-da-%C3%A1gua.jpg?fit=631%2C351&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2018\/02\/Vapi-%C3%8Dndia-%E2%80%93-Polui%C3%A7%C3%A3o-da-%C3%A1gua.jpg?fit=631%2C351&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":6943,"url":"https:\/\/biologo.com.br\/bio\/mutacao\/","url_meta":{"origin":9269,"position":3},"title":"Muta\u00e7\u00e3o","author":"pozzana","date":"maio 8, 2020","format":false,"excerpt":"Muta\u00e7\u00e3o: Em 2020 vimos como uma muta\u00e7\u00e3o em um \u00fanico v\u00edrus mudou o curso da hist\u00f3ria e abalou o mundo. Mas muta\u00e7\u00e3o h\u00e1 muito \u00e9 alvo do interesse de bi\u00f3logos por ser fen\u00f4meno-chave que permite a evolu\u00e7\u00e3o e cria\u00e7\u00e3o de novas esp\u00e9cies. Muta\u00e7\u00e3o Uma muta\u00e7\u00e3o \u00e9 uma altera\u00e7\u00e3o na sequ\u00eancia\u2026","rel":"","context":"Em &quot;Bioqu\u00edmica&quot;","block_context":{"text":"Bioqu\u00edmica","link":"https:\/\/biologo.com.br\/bio\/category\/bioquimica\/"},"img":{"alt_text":"Muta\u00e7\u00e3o - Mitose","src":"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2017\/03\/mitose.jpg?fit=631%2C351&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2017\/03\/mitose.jpg?fit=631%2C351&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2017\/03\/mitose.jpg?fit=631%2C351&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":7073,"url":"https:\/\/biologo.com.br\/bio\/pre-cambriano-revelado\/","url_meta":{"origin":9269,"position":4},"title":"Pr\u00e9-Cambriano revelado","author":"pozzana","date":"maio 29, 2020","format":false,"excerpt":"Pr\u00e9-Cambriano revelado: T\u00e9cnicas permitem examinar microf\u00f3sseis do Pr\u00e9-Cambriano e podem ajudar na busca por organismos extraterrestres. Pr\u00e9-Cambriano revelado Maio\/2020 :: Maria Guimar\u00e3es\/Pesquisa FAPESP. \u00a0CC BY-ND 4.0 Durante os primeiros bilh\u00f5es de anos da hist\u00f3ria da Terra, a vida era microsc\u00f3pica. Os f\u00f3sseis desse per\u00edodo s\u00e3o, por isso, bem mais dif\u00edceis\u2026","rel":"","context":"Em &quot;Astrobiologia&quot;","block_context":{"text":"Astrobiologia","link":"https:\/\/biologo.com.br\/bio\/category\/astrobiologia\/"},"img":{"alt_text":"Pr\u00e9-Cambriano revelado","src":"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/05\/Pr%C3%A9-Cambriano-revelado.jpg?fit=631%2C351&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/05\/Pr%C3%A9-Cambriano-revelado.jpg?fit=631%2C351&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/05\/Pr%C3%A9-Cambriano-revelado.jpg?fit=631%2C351&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":7355,"url":"https:\/\/biologo.com.br\/bio\/videos-didaticos-de-biologia\/","url_meta":{"origin":9269,"position":5},"title":"V\u00eddeos did\u00e1ticos de biologia","author":"pozzana","date":"julho 14, 2020","format":false,"excerpt":"V\u00eddeos did\u00e1ticos de biologia: Selecionamos v\u00eddeos e document\u00e1rios indispens\u00e1veis para auxiliar professores e estudantes no ensino e no aprendizado. Seja em casa ou em sala de aula, as produ\u00e7\u00f5es abaixo v\u00e3o facilitar os estudos de forma clara e did\u00e1tica. V\u00eddeos did\u00e1ticos de biologia Biof\u00edsica; Biologia celular; Bioqu\u00edmica; Microbiologia \u2022 A\u2026","rel":"","context":"Em &quot;Bio\u00e9tica&quot;","block_context":{"text":"Bio\u00e9tica","link":"https:\/\/biologo.com.br\/bio\/category\/bioetica\/"},"img":{"alt_text":"V\u00eddeos did\u00e1ticos de biologia","src":"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/07\/V%C3%ADdeos-did%C3%A1ticos-de-biologia.jpg?fit=631%2C351&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/07\/V%C3%ADdeos-did%C3%A1ticos-de-biologia.jpg?fit=631%2C351&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2020\/07\/V%C3%ADdeos-did%C3%A1ticos-de-biologia.jpg?fit=631%2C351&ssl=1&resize=525%2C300 1.5x"},"classes":[]}],"jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p6NB6B-2pv","amp_enabled":true,"_links":{"self":[{"href":"https:\/\/biologo.com.br\/bio\/wp-json\/wp\/v2\/posts\/9269","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/biologo.com.br\/bio\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/biologo.com.br\/bio\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/biologo.com.br\/bio\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/biologo.com.br\/bio\/wp-json\/wp\/v2\/comments?post=9269"}],"version-history":[{"count":1,"href":"https:\/\/biologo.com.br\/bio\/wp-json\/wp\/v2\/posts\/9269\/revisions"}],"predecessor-version":[{"id":9277,"href":"https:\/\/biologo.com.br\/bio\/wp-json\/wp\/v2\/posts\/9269\/revisions\/9277"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/biologo.com.br\/bio\/wp-json\/wp\/v2\/media\/9272"}],"wp:attachment":[{"href":"https:\/\/biologo.com.br\/bio\/wp-json\/wp\/v2\/media?parent=9269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/biologo.com.br\/bio\/wp-json\/wp\/v2\/categories?post=9269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/biologo.com.br\/bio\/wp-json\/wp\/v2\/tags?post=9269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}