Abstract
In the past 100 days, more than 3 billion doses of SARS-CoV-2 vaccines have been administered globally.1 With 20 vaccines currently authorised in at least one country and 108 under clinical development as of July 20, 2021,2 there is ongoing public concern regarding the possible adverse effects of SARS-CoV-2 immunisation. An adverse event reported in the product information of two vaccines developed with a novel mRNA technology is Bell's palsy, a form of acute facial nerve paralysis.3 So far there has been no clear evidence of association between COVID-19 vaccination and facial paralysis.
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