Claim: Four volunteers developed Bell's palsy after receiving Pfizer's Covid-19 vaccine.
Fact-check: Some on the Pfizer vaccine trials did get Bell's palsy, but not more than we'd expect by chance - Full Fact
Verdict: this is true, but that's about how many people in a group the size of the trial would be expected to develop it in that period of time. there's no evidence it's linked to the vaccine.
Organisation: Full Fact
Author: Grace Rahman
Date published: 2020-12-22T00:00:00