- Apr 12, 2021 8:00 pm
- 19:51
Soon every American over 16 will be able to get the COVID-19 vaccine. Already, the CDC says 20% of Americans are fully vaccinated against the coronavirus. Once you’re vaccinated, do you still need to wear a mask and social distance? Saskia Popescu is an infectious disease epidemiologist and professor at George Mason University. (AP Photo/Phil Long)