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A new paper discusses a new antibody with potent neutralizing activity against the ancestral SARS-CoV-2 strain, as well as newer variants of SARS-CoV-2.

Researchers in the Republic of Korea have conducted a study of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) – the agent that causes coronavirus disease 2019 (COVID-19) – that could help to inform further studies investigating the increased virulence of variants of concern and interest.

As SARS-CoV-2 continues to evolve, new variants are expected to arise that may have an increased ability to infect their hosts and evade the hosts' immune systems.

According to new research by an international team of scientists, all SARS-CoV-2 variants, including variants of concern (VOC) Alpha, Beta, Gamma, and Delta, exhibit enhanced affinity toward recombinant human soluble ACE2.

A new study published on the bioRxiv* preprint server has conducted in silico studies along with in vitro, in vivo, and in situ observations and indicated the mouse adaptation of SARS-CoV-2.