Infectious disease experts say mRNA vaccines have been studied for decades, they are safe and effective, and were instrumental in saving lives during the COVID pandemic.

U.S. health officials knew about the risks of myocarditis from COVID-19 vaccines but downplayed the concern and delayed informing the public about the risks of taking the jab, according to a new Senate report released by Sen.

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 updated warnings highlight a rare risk of heart inflammation in teen boys and young men, CBS News reported. The warning applies to males ages 16 to 25 and is based on new data from FDA safety monitoring and a 2023 study. This includes both Pfizer's Comirnaty and Moderna's Spikevax vaccines.

The Food and Drug Administration will no longer approve COVID-19 vaccines for healthy people under 65 without rigorous trials.

The FDA will narrow its approval for updated coronavirus vaccines, marking a significant shift in the agency’s approach to green-lighting shots that have been recommended broadly to the public.

The US Food and Drug Administration will now require Covid-19 vaccines from Pfizer/BioNTech and Moderna to use expanded warning labels with more information about the risk of a rare heart condition after vaccination.

There is no association between COVID-19 vaccination in pregnancy and spontaneous abortion, according to a study published online.

Under a new policy announced Tuesday by the Trump administration, only people age 65 and older and children or young adults with certain health conditions that puts them at risk will be approved for the shot.