mRNA vaccines effective for preventing symptomatic COVID-19
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19 May 2021mRNA vaccines effective for preventing symptomatic COVID-19
For health care personnel (HCP), the vaccine effectiveness (VE) of authorized mRNA COVID-19 vaccines (Pfizer-BioNTech and Moderna) against symptomatic COVID-19 illness is 82 and 94 percent for a single dose and for two doses, respectively, according to research published in the May 14 early-release issue of the U.S. Centers for Disease Control and Prevention Morbidity and Mortality Weekly Report.
