In less than two years since SARS-CoV-2 emerged, the new coronavirus responsible for
COVID-19, has accumulated a great number of mutations. Many of these mutations are …

The global spread of new SARS-CoV-2 variants of concern underscore an urgent need of
simple deployed molecular tools that can differentiate these lineages. Several tools and …

The Amazonas was one of the most heavily affected Brazilian states by the COVID-19
epidemic. Despite a large number of infected people, particularly during the second wave …

The dissemination of the Delta VOC in Brazil is still unclear, despite the frequent reports of
isolated cases from different Brazilian states. In this report we characterize the dissemination …

Throughout the coronavirus disease 2019 (COVID-19) pandemic, severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) has continuously evolved, resulting in new variants …

Genomic surveillance and epidemiology have shed light on the viral diversity driving
coronavirus disease 2019 (COVID-19) outbreaks and are important during waves of highly …

The variant of concern (VOC) SARS-CoV-2 Omicron (B. 1.1529) has been described as a
highly contagious variant but less virulent than the current variant being monitored (VBM) …

In this study, we analyzed the sequences of SARS-CoV-2 isolates of the Delta variant in
Mexico, which has completely replaced other previously circulating variants in the country …

Abstract The coronavirus disease 2019 (COVID-19) epidemic in Brazil was driven mainly by
the spread of Gamma (P. 1), a locally emerged variant of concern (VOC) that was first …

Background: As delta variant of severe acute respiratory syndrome coronavirus 2 (SARS-
CoV-2) prevailed in the current coronavirus disease 2019 (COVID-19) pandemic, its clinical …