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 …

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 …

SARS-CoV-2 variants of concern (VOC) and interest (VOI) present mutations in reference to
the original virus, being more transmissible. We implemented a rapid strategy for the …

Coronavirus disease 2019 (COVID-19) pandemic has caused immeasurable impacts on the
health and socioeconomic system. The real-time identification and characterization of new …

The SARS-CoV-2 variants of concern (VOCs) Delta and Omicron spread globally during mid
and late 2021, respectively. In this study, we compare the dissemination dynamics of these …

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 …

Since the first reported case in December 2019, SARS-CoV-2 infections have become a
major public health worldwide. Even with the increasing vaccination in several countries and …

SUMMARY OBJECTIVE: This study aimed to investigate the effect of mutations by
comparing wild-type SARS-CoV-2 and Omicron regarding clinical features in patients with …

Introduction The variants of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
have been classified into variants of interest (VOIs) or concern (VOCs) to prioritize global …

We extracted one-year genomic data (August 2020–July 2021) from GISAID EpiCoV™
database and estimated monthly proportions of 11 SARS-CoV-2 variants in various …