Background A novel variant of SARS-CoV-2, the Delta variant of concern (VOC, also known
as lineage B. 1.617. 2), is fast becoming the dominant strain globally. We reported the …

ABSTRACT COVID-19 is a respiratory illness caused by severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) and declared by the World Health Organization a global public …

Severe acute respiratory syndrome coronavirus‐2 (SARS‐CoV‐2) pandemic spread rapidly
and this scenario is concerning in South America, mainly in Brazil that presented more than …

To the Editor—Since the emergence of the severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2) in December 2019, new lineages of this virus have been described. The …

Since its detection in December of 2020, the SARS-CoV2 lineage P. 1, descendent of B. 1.1.
28 lineage, has been identified in several places in Brazil and abroad. This Variant of …

During the coronavirus disease 2019 (COVID-19) pandemic, the emergence and rapid
increase of the B. 1.1. 7 (Alpha) lineage of severe acute respiratory syndrome coronavirus 2 …

Uruguay is one of the few countries in the Americas that successfully contained the
coronavirus disease 19 (COVID-19) epidemic during the first half of 2020. Nevertheless, the …

In December 2020, research surveillance detected the B. 1.1. 7 lineage of severe acute
respiratory syndrome coronavirus 2 in São Paulo, Brazil. Rapid genomic sequencing and …

Delta VOC is highly diverse with more than 120 sublineages already described as of
November 30, 2021. In this study, through active monitoring of circulating severe acute …

ABSTRACT The SARS-CoV-2 P. 1 lineage emerged in Amazonas (AM), North Brazil and its
evolution has been dynamically reported associated with increased transmissibility and/or …