Bell’s palsy and SARS-CoV-2 vaccines

Authors: 24 FEB 2021  The Lancet Ozonoff et al.

There is a possible increased risk of developing Bell’s palsy in COVID-19 mRNA vaccine recipients, but the rate was extremely low (7 cases in 40,000 participants vaccinated), and was not statistically significantly different than the rate seen in the placebo recipients. This condition usually self-resolves. Preventing the risk of COVID-19 infection with vaccination greatly outweighs the incredibly small and less severe risk of Bell’s palsy, but this finding signals a potential issue that should be monitored in vaccine recipients moving forward.

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