Ron Chusid :verified: on Nostr: The current XBB based vaccine provides protection against hospitalization for Covid. ...

The current XBB based vaccine provides protection against hospitalization for Covid. Older vaccines lack protection due to waning immunity & evolution of the virus. (An up to date vaccine should be just one part of a comprehensive plan to protect against Covid).
#Covid #vaccines
https://jamanetwork.com/journals/jamainternalmedicine/fullarticle/2820268