U.S. drugmaker Pfizer says human trials suggest its coronavirus vaccine is 90% effective at preventing COVID-19 infections.
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Pfizer Says Trials Show COVID-19 Vaccine Is ‘More Than 90% Effective’
U.S. drugmaker Pfizer says human trials suggest its coronavirus vaccine is 90% effective at preventing COVID-19 infections.
Read the original here:
Pfizer Says Trials Show COVID-19 Vaccine Is ‘More Than 90% Effective’