The emergence and widespread circulation of severe acute respiratory syndrome
coronavirus 2 variants of concern (VOCs) or interest impose an enhanced threat to global …

The emergence and global dissemination of Severe Acute Respiratory Syndrome virus 2
(SARS-CoV-2) variants of concern (VOCs) have been described as the main factor driving …

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 COVID-19 epidemic in the Amazonas state, Brazil, during 2021 was driven by the
spread of the Variant of Concern (VOC) Gamma (lineage P. 1) and, more recently, of the …

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 …

Brazil ranks as third in terms of total number of reported SARS-CoV-2 cases globally. The
COVID-19 epidemic in Brazil was characterised by the co-circulation of multiple variants as …

The SARS-CoV-2 variant of concern (VOC) Delta was first detected in India in October 2020.
The first imported cases of the Delta variant in Brazil were identified in April 2021 in the …

Brazil is the country with the second-largest number of deaths due to the coronavirus
disease-2019 (COVID-19). Two variants of concern (VOCs), Alpha (B. 1.1. 7) and Gamma …

From a country with one of the highest SARS-CoV-2 morbidity and mortality rates, Brazil has
implemented one of the most successful vaccination programs. Brazil's first model city …

Genomic surveillance and epidemiology have shed light on the viral diversity driving
coronavirus disease 2019 (COVID-19) outbreaks and are important during waves of highly …