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

Top health officials were aware of and actively took steps to “delay warning the public” for months in 2021 about the potential risks of patients suffering from heart-related ...

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 ...

Beleaguered Biogen has been handed some encouraging news from the FDA, after the regulator agreed to complete its review of amyotrophic lateral sclerosis (ALS) therapy tofersen within six months.