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

The mRNA vaccines were developed using novel technology that was approved for the first time for public use during the COVID-19 pandemic.

U.S. health officials knew about the risks of myocarditis from COVID-19 vaccines but downplayed the concern and delayed ...

Unlike other types of vaccines, mRNA vaccines don’t actually contain the virus they’re meant to protect against. That means patients aren’t in danger of contracting the virus from the vaccine. Nor do ...

The challenge would be if mRNA is banned. This is truly dangerous policy." A vile of a COVID-19 vaccine made by Pfizer is held up at a CVS Pharmacy in Eagle Rock, Calif., Sept. 14, 2023.

mRNA vaccines teach the immune system to target ... it learns to recognize it as a potentially dangerous invader. After this training, if the immune system sees that antigen again in the context ...

The FDA has approved the Novavax COVID-19 vaccine, called Nuvaxovid, mainly for adults 65 or older, but people ages 12 to 64 with medical conditions that increase their risk of serious illness from ...

The success of these COVID-19 vaccines is remarkable and was far from guaranteed. mRNA is incredibly delicate. Enzymes in the environment and in our bodies are quick to chop mRNA into pieces ...