Risk of BA.5 infection among persons exposed to previous SARS-CoV-2 variants.
1 Sep, 2022 | 11:56h | UTC
Commentary on Twitter
Conventional wisdom is that previous infection with omicron subvariant BA.1 or BA.2 does notprotect against BA.5, but data from Portugal show considerable protection against BA.5 infection from previous BA.1 or BA.2 infection. https://t.co/1qXPAENSyn pic.twitter.com/qKpbuF2DDu
— NEJM (@NEJM) August 31, 2022