Simple Summary SARS-CoV-2 is characterized by extensive genetic divergence. The
emergence of the variant of concern (VOC) Omicron, due to its characteristics, has caused …

Background The coronavirus disease 2019 (COVID-19) pandemic had and is still having a
tremendous impact on people all over the world, but it has been particularly harsh in South …

The variant of concern (VOC) P. 1 emerged in the Amazonas state (Brazil) and was
sequenced for the first time on 6-Jan-2021 by the Japanese National Institute of Infectious …

Background: The emergence of the Brazilian variant of concern, Gamma lineage (P. 1),
impacted the epidemiological profile of COVID-19 cases due to its higher transmissibility …

In order to detect the SARS-CoV-2 variants of concern (VOCs), five real-time reverse
transcriptase PCR (rRT-PCR) assays were designed to target the critical discriminatory …

The COVID-19 pandemic has already reached more than 110 million people and is
associated with 2.5 million deaths worldwide. Brazil is the third worst-hit country, with …

ABSTRACT Background The SARS-CoV-2 P. 1 variant has been considered as “variant of
concern (VOC)” since the end of 2020 when it was firstly identified in the Brazilian state of …

The year of 2021 was marked by the emergence and dispersal of a number of SARS-CoV-2
lineages, resulting in the “third wave” of COVID-19 in several countries despite the level of …

Background The first case of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-
CoV-2) infection in Rio Grande do Norte, northeastern Brazil, was diagnosed on March 12 …

Abstract The Delta (B. 1.617. 2) variant was the predominant UK circulating SARS-CoV-2
strain between May and December 2021. How Delta infection compares with previous …