Spatiotemporal invasion dynamics of SARS-CoV-2 lineage B.1.1.7 emergence

Abstract Understanding the causes and consequences of the emergence of SARS-CoV-2 variants of concern is crucial to pandemic control yet difficult to achieve, as they arise in the context of variable human behavior and immunity. We investigate the spatial invasion dynamics of lineage B.1.1.7 by jointly analyzing UK human mobility, […]

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The Delta Variant: What You Should Know

Don’t let Delta and other variants slow our progress in the fight against COVID-19. When the virus continues to spread, there are more opportunities for the virus to change and for new variants to emerge. FDA-authorized COVID-19 vaccines offer protection against currently known variants. Créditos: Comité científico Covid

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Study: J&J Vaccine Less Effective Against Variants

A new study says the one-dose Johnson & Johnson vaccine provides less protection against the Delta and Lambda variants than against the original COVID-19 strain. The study, which was published Tuesday in the online journal bioRxiv, said the J&J vaccine’s effectiveness in neutralizing those two variants was “significantly decreased” over time. People […]

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