This key indicator may determine how bad a BA.2 wave could be in the US

This key indicator may determine how bad a BA.2 wave will be in the US As America casts a wary eye on rising cases caused by the BA.2 subvariant in Europe, the immune status of adults over the age of 65 will be a key indicator of how future variants will affect the US. Brenda Goodman and Deidre McPhillips, CNN CNN

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As America casts a wary eye on rising cases caused by the BA.2 subvariant in Europe, the immune status of adults over the age of 65 will be a key indicator of how future variants will affect the US because the risk of severe outcomes rises dramatically with age...