How Severe Is The SARS-CoV-2 Omicron BA.2 Subvariant Compared With Earlier Variants?

In a recent study that represents the largest to date to examine the severity of the SARS-CoV-2 Omicron BA.2 subvariant (the strain making a re-emergence this fall), a team led by investigators at Massachusetts General Hospital (MGH) determined that the BA.2 subvariant is less severe than the previous Delta variant and less...