Pfizer

The drug can interact with many other medications but is still extremely effective in preventing severe COVID-19.

Data from an Italian study on high-risk volunteers boosts confidence in the safety of the Pfizer and Moderna shots.

It also changed the wait for a Pfizer booster to five months, not six.

But that doesn't mean Paxlovid is coming to a pharmacy near you.

Kids are getting COVID-19 pricks, people are getting out their passports, and vaccination requirements are working.

Despite the attention on myocarditis, inflammation from mRNA vaccines is rare, and goes away in a matter of days.

The approach could prompt a powerful immune response.

The one-shot vaccine might have always been meant to be a two-dose regimen.

Here's everything you need to know this week.

Whether boosters will be needed for the general population isn’t yet known.