https://www.news-medical.net/news/20221031/SARS-CoV-2-Omicron-BA2-less-severe-than-Delta-and-original-Omicron.aspx
Researchers estimate the severity of infection with the SARS-CoV-2 Omicron BA.2 subvariant as compared to that caused by the Delta and Omicron variants.
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