We report the first local transmission of the Delta SARS-CoV-2 variant in mainland China. All
167 infections could be traced back to the first index case. The investigation on daily …

Abstract The Northern Brazilian state of Amazonas is one of the most heavily affected
country regions by the COVID-19 epidemic and experienced two exponential growing …

Almost simultaneously, several studies reported the emergence of novel severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) lineages characterized by distinct …

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 …

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 …

Severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) is a coronavirus
belonging to the beta CoV genus, responsible for SARS in humans, which became known …

Almost simultaneously, several studies reported the emergence of novel SARS-CoV-2
lineages 28 characterized by their phylogenetic and genetic distinction (1),(2),(3),(4). Here …

Objectives To evaluate the genomic diversity and geographic distribution of SARS-CoV-2
lineages in South America. Methods SARS-CoV-2 lineages from a public dataset of 5583 …

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 …

Since the beginning of 2020, health authorities have been monitoring the cases of
Coronavirus Disease 2019 (COVID-19), which has grown every day in Brazil and around the …