30 Covid-19 in Wales: A third of positive cases are unvaccinated (and 80% of hospitalized are fully vaxxed) (archive.is) posted 3 years ago by Lurker404 3 years ago by Lurker404 +30 / -0 6 comments share 6 comments share save hide report block hide replies
A minor boost to immunity in response for one strain in exchange for compromised immunity against any number of other coronaviruses.