JUST IN: Moderna's Covid-19 vaccine is 94% effective at preventing illness and appears to protect against infection as well, documents released Tuesday morning say. https://t.co/V3VrNN40UW— NBC News (@NBCNews) December 15, 2020
JUST IN: Moderna's Covid-19 vaccine is 94% effective at preventing illness and appears to protect against infection as well, documents released Tuesday morning say. https://t.co/V3VrNN40UW