China's COVID-19 vaccine tied to slight risk of Bell's palsyChina's CoronaVac COVID-19 vaccine is tied to a slight increased risk of Bell's palsy, while the Fosun/BioNTech (Pfizer/BioNTech's parallel product in China) did not show a significantly increased risk, according to a study yesterday in The Lancet Infectious Diseases.
Both the researchers and a related commentary conclude that COVID-19 vaccines' benefits outweigh the risks.Bell's palsy mainly manifests as one-sided facial paralysis and resolves itself 70% of the time—90% of the time if the patient receives early treatment with corticosteroids.The researchers looked at Hong Kong residents who were vaccinated with either COVID-19 vaccine from Feb 23 to May 4, first using