The aim of this study was to describe epidemiological characteristics and perform SARS-
CoV-2 genomic surveillance in the southeastern region of São Paulo State. During the first …

Background: To describe epidemiological characteristics and perform a SARS-CoV-2
genomic surveillance in the southeastern region of São Paulo state. Methods: During the …

Genomic surveillance represents an important strategy for understanding evolutionary
mechanisms, transmission profile, and infectivity of different SARS-CoV-2 variants. We …

The introduction of SARS-CoV-2 variants of concern (VOCs) in Brazil has been associated
with major impacts on the epidemiological and public health scenario. In this study, 291,571 …

Introduction A characteristic of the COVID-19 pandemic has been the sequential emergence
and global dissemination of SARS-CoV-2 variants, noted for their enhanced transmission …

Screening efforts and genomic surveillance are essential tools to evaluate the course of the
COVID-19 pandemic and assist the public healthcare system in dealing with an increasing …

Brazil is one of the nations most affected by Coronavirus disease 2019 (COVID-19). The
introduction and establishment of new virus variants can be related to an increase in cases …

Two exponential COVID-19 epidemic waves heavily hit the Brazilian state of Amazonas in
early 2020 and early 2021, driven by SARS-CoV-2 variants B. 1 (mainly B. 1.195 and B. 1.1 …

Abstract The Severe Acute Respiratory Syndrome coronavirus 2 (SARS-CoV-2) is the
causative agent of an unprecedented worldwide pandemic. Brazil demonstrates one of the …

ABSTRACT SARS-CoV-2 Omicron caused a large wave of COVID-19 cases in China in
spring 2022. Shandong was one of the most affected regions during this epidemic yet was …