
TO COUNTER waning immunity ahead of winter, millions of Brits are being offered a booster Covid vaccine to top up their protection against coronavirus. According to safety and immune response data analysed by the FDA, the Pfizer booster vaccine engenders a side effect that's more commonly seen in the booster shot and it can last up to eight days.
0 comments:
Post a Comment
Note: Only a member of this blog may post a comment.