Molnupiravir will be offered to at-risk patients who already have the coronavirus.
It is not a substitute for the COVID-19 vaccine, UK authorities said.
Molnupiravir will be offered to at-risk patients who already have the coronavirus.
It is not a substitute for the COVID-19 vaccine, UK authorities said.
The FDA said Friday an experimental antiviral pill from drug company Merck is effective against COVID-19.