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 …

The COVID-19 pandemic has brought significant challenges for genomic surveillance
strategies in public health systems worldwide. During the past thirty-four months, many …

Four signature groups of frequently occurred single-nucleotide variants (SNVs) were
identified in over twenty-eight thousand high-quality and high-coverage SARS-CoV-2 …

The human pathogen severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is
responsible for the major pandemic of the 21st century. We analyzed> 4,700 SARS-CoV-2 …

The pandemic caused by the new severe acute respiratory syndrome coronavirus 2 (SARS-
CoV-2) is a worldwide public health concern. First confined in China and then disseminated …

The COVID-19 pandemic is the most important public health threat in recent history. Here we
study how its causal agent, SARS-CoV-2, has diversified genetically since its first …

Background Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has caused
millions of infections and fatalities globally since its emergence in late 2019. The virus was …

The phylogenetic clustering of 95 SARS-CoV-2 sequences from the first 3 months of the
pandemic reveals insights into the early evolution of the virus and gives first indications of …

The COVID-19 pandemic has already reached approximately 110 million people and it is
associated with 2.5 million deaths worldwide. Brazil is the third worst-hit country, with …

The high numbers of COVID-19 cases and deaths in Brazil have made Latin America an
epicentre of the pandemic. SARS-CoV-2 established sustained transmission in Brazil early …