Several studies have monitored the SARS-CoV-2 variants in Brazil throughout the
pandemic. Here, we systematically reviewed and conducted a scientometric analysis of the …

Since the emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2),
new variants with enhanced transmissibility and pathogenicity have surfaced. The World …

Genetic recombination is an important driver of severe acute respiratory syndrome
coronavirus 2 (SARS‐CoV‐2) evolution, which requires the coinfection of a single host cell …

Brazil currently ranks second in absolute deaths by COVID-19, even though most of its
population has completed the vaccination protocol. With the introduction of Omicron in late …

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 …

Background Omicron has become the dominant variant of severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) since first reported in November 2021. From the …

The genome of the Omicron (B. 1.1. 529) variant is highly modified and contagious because
of natural selection, which has resulted in rapid genomic evolution and the emergence of …

Circulation of the Omicron variant with the reemergence of the N501Y mutation along with
many others in the spike protein has once again stirred the academic community …

Brazil currently ranks second in absolute deaths by COVID-19, even though most of its
population has completed the vaccination protocol. With the introduction of Omicron in late …

Brazil currently ranks second in absolute deaths by COVID-19, even though most of its
population has completed the vaccination protocol. With the introduction of Omicron in late …