That’s why infectious disease experts are telling people to run, not walk, to get this season’s flu shot if they haven’t yet.

Fentanyl does not need much room to kill. A dose the size of a few grains of salt can slow breathing until it stops. The drug ...

As flu cases are surging across the United States, here's what to know about whether or not you can still get the vaccine.

Vaccines boost the immune system's ability to fight off diseases. Vaccines undergo rigorous testing to ensure safety and effectiveness. Widespread vaccination contributes to herd immunity, protecting ...

West Coast states are teaming up to issue their own vaccine guidelines in the face of rapid changes at the Centers for Disease Control and Prevention and the Food and Drug Administration. The federal ...

Vaccine safety monitoring in the US is a multilayered process that combines passive and active functions, as well as expert analyses of specific safety questions. Side effects are passively reported ...

There are different kinds of vaccines, and each requires different processes to move from the laboratory to your physician's ...

Seasonal flu vaccines consistently reduce the risk of severe illness, hospitalisation, intensive care admission, organ failure, and death, even in seasons when the vaccine is not a perfect match for c ...

A 4-year-old boy picks out a bandage before getting vaccinated in San Jose, California, in 2022. (Jane Tyska/Digital First Media/The Mercury News via Getty Images) How we did this Pew Research Center ...

Recent reviews indicate that hesitancy is increasing in pediatric settings, with more parents selectively delaying, spacing, ...

Hepatitis B is a potentially fatal liver disease. It spreads through contact with bodily fluids, and certain groups including health care workers and IV drug users are at higher risk. Anyone can be ...

The U.S. and Denmark healthcare systems are radically different — examining only the specific vaccines offered in each ...