In another sign of growing scrutiny over Covid-19 vaccines, the Food and Drug Administration has asked the two makers of mRNA ...

Government vaccine advisers are meeting to decide if the recipe for COVID-19 vaccines needs updating for this fall and winter ...

The FDA is forcing Pfizer and Moderna to expand warning labels about the risks of two forms of heart damage, myocarditis and ...

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

The FDA has called for Pfizer and Moderna to update the safety information on their mRNA COVID-19 vaccines to include warnings on the incidence of myocarditis and pericarditis, according to two ...