News Fact check: Bell’s palsy among COVID-19 trial participants likely unrelated to Pfizer vaccine December 15, 2020Miriam Fauzia, USA TODAYComments Off on Fact check: Bell’s palsy among COVID-19 trial participants likely unrelated to Pfizer vaccine A Facebook post claims 4 volunteers from the Pfizer-BioNTech COVID-19 vaccine trial developed Bell's palsy. That claim is missing significant context.