The COVID Omicron sub-variant BA.2, informally dubbed the "Stealth Omicron" variant, is able to reinfect people who have already had Omicron, a new study suggests. BA.2 has been under close ...
With the Omicron subtype BA.5 rapidly becoming dominant in the United States a small body of research has begun to reveal the unique properties of this novel SARS-CoV-2 variant. Two recent preprints ...
COPENHAGEN, Jan 31 (Reuters) - The BA.2 subvariant of the Omicron coronavirus variant, which has quickly taken over in Denmark, is more transmissible than the more common BA.1 and more able to infect ...
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