Among the current five Variants of Concern, infections caused by SARS-CoV-2 B. 1.617. 2
(Delta) variant are often associated with the greatest severity. Despite recent advances on …

Summary Background The SARS-CoV-2 delta (B. 1.617. 2 lineage) variant was first
identified at the end of 2020 and possessed two unique amino acid substitutions in its spike …

Emerging SARS-CoV-2 variants pose threats to vaccination campaigns against COVID-19.
Being more transmissible than the original virus, the SARS-CoV-2 B. 1.617 lineage, named …

Abstract The SARS-CoV-2 Delta variant has spread rapidly worldwide. To provide data on
its virological profile, we here report the first local transmission of Delta in mainland China …

By the end of June 2020, the pandemic of coronavirus diseases 2019 (COVID-19) had
resulted in more than 10 million individuals, all over the world, being infected with the severe …

The D614G substitution in the S protein is most prevalent SARS-CoV-2 strain circulating
globally, but its effects in viral pathogenesis and transmission remain unclear. We …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) remained genetically
stable during the first 3 months of the pandemic, before acquiring a D614G spike mutation …

The Delta variant is one of the alarming variants of the SARS-CoV-2 virus that have been
immensely detrimental and a significant cause of the prolonged pandemic (B. 1.617. 2) …

As the COVID-19 epidemic proceeds, new variants of SARS-CoV-2 continue to emerge. 1
Particularly the B. 1.1. 529 (Omicron) variant emerged and spread globally, surpassing the …

The highly contagious Delta variant of SARS‐CoV‐2 has become a prevalent strain globally
and poses a public health challenge around the world. While there has been extensive …