Can You Still Spread the Coronavirus Once You're Vaccinated?
Here's what we know—and what we don't.
01/02/2021
The COVID-19 vaccines in use now have been touted for how well they work—the Pfizer vaccine trials found its product to be 95 per cent effective in preventing COVID-19 infections after both shots and the Moderna 94.1 per cent effective after the same. And people are gradually becoming familiar and comfortable with how the mRNA technology that allowed these to be developed so quickly works. Scientists now have answers to many early questions about the vaccines.
But a question that there’s still no solid answer to is whether people who’ve been vaccinated can still carry the virus and potentially spread it to others.