SARS coronavirus 2 (SARS-CoV-2), the causative agent of COVID-19, emerged in China in
December 2019. Vaccines developed were very effective initially, however, the virus has …

In this study, we analyzed the sequences of SARS-CoV-2 isolates of the Delta variant in
Mexico, which has completely replaced other previously circulating variants in the country …

We investigated SARS-CoV-2 variants circulating, from November 2020 to March 2022,
among military and civilian personnel at an Air Force airport in Italy in order to classify viral …

New sublineages of SARS-CoV-2 variants-of-concern (VOCs) continuously emerge with
mutations in the spike glycoprotein. In most cases, the sublineage-defining mutations vary …

The emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in
December 2019 resulted in the coronavirus disease 2019 (COVID-19) pandemic, which has …

Mutation is the key for a variant of concern (VOC) to overcome selective pressures, but this
process is still unclear. Understanding the association of the mutational process with VOCs …

The ability of each new SARS-CoV-2 variant to evade host humoral immunity is the focus of
intense research. Each variant may also harbor unique replication capabilities relevant for …

In this study, we analyzed the sequences of SARS-CoV-2 isolates of the Delta variant in
Mexico, which has completely replaced other previously circulating variants in the country …

Extensive genomic surveillance has given great insights into the evolution of the SARS-CoV-
2 virus and emerging variants. During the summer months of 2021, Norway was dominated …

After more than two years, COVID-19 still represents a global health burden of
unprecedented extent and assessing the degree of immunity of individuals against SARS …