The US Food and Drug Administration will now require Covid-19 vaccines from Pfizer/BioNTech and Moderna to use expanded ...

The FDA is requiring COVID vaccine makers Pfizer and Moderna to update their warnings about the possible risk of myocarditis and pericarditis.

Federal health agencies were alerted in February 2021 to “large reports of myocarditis” in young people who received the Pfizer vaccine, but waited until late June to adjust the ...

This week, mRNA vaccines are set to face intense scrutiny from critics in Congress. Here's an explainer of how we know they are safe and effective.

The Biden administration has been accused of purposefully covering up potentially deadly side effects of the Covid vaccines.

Two-thirds of Americans believe the Covid-19 virus came out of a lab, and though those numbers have been high for a long time ...