The agency narrowed who can get the shot and added new study requirements that could cost the company tens of millions.

The vaccine causes your body to make a small amount of COVID protein, which your body recognizes as foreign and destroys.

A half-decade since the pandemic, countless individuals and families have been left wondering: what is the long-term safety ...

Here's everything medical experts want you to know about how vaccines work. Vaccines work by imitating an infection to teach ...

A P.E.I. man wants others to be aware of a federal program that offers compensation for serious injuries from vaccines approved by Health Canada, since he missed the deadline for applying and has been ...

A new combination vaccine could simplify protection against two major respiratory illnesses for older adults, according to a ...

The U.S. government is advising that international travelers age 60 and older not get a chikungunya vaccine as it ...

Placebo testing has been part of the process since the 1940s. It’s unclear what additional measures would achieve — but it may slow development.

Ingham County retracts measles case in a child after confirming it was a false positive due to recent vaccination.

FDA and CDC recommend halting Ixchiq vaccine use in adults 60 and older after reports of serious adverse events, including ...

Vaccines using mRNA are currently being studied for a wide range of diseases, including cancer, cardiovascular disease, ...

Vaccines seem like an improbable way to reduce the risk of developing dementia. And yet the research has been accumulating to ...