Medical experts debunk flu shot myths: vaccines use inactive virus that cannot cause illness. Discover what side effects ...

Ten years ago, the Zika virus shook Brazil. Thousands of babies were born with severe birth defects. Pregnant women faced constant fear, and public health systems scrambled for answers. While the ...

This bug is sweeping across the UK and if you're one of the unlucky few, you could have permanent complications.

After the 2022 outbreak, patients continued to face physical and psychological challenges ...

UPDATE: The U.S. is recommending a “pause” in administration of the single-dose Johnson & Johnson COVID-19 vaccine to investigate reports of potentially dangerous blood clots. In a joint statement ...

FluMist (influenza vaccine live, intranasal) is a brand-name vaccine used to help prevent influenza (flu) in certain adults and children. As with other drugs, FluMist can cause side effects, such as ...

There has been extensive coverage on the virus and its effect on the lungs, but there is growing data that COVID-19 can also pose a real threat to your heart. Over the weekend, doctors had to amputate ...

Novavax (NVX-CoV2373) is a vaccine used to reduce the risk of serious infection from the virus that causes COVID-19. Novavax can cause side effects that range from mild to serious. Examples include ...

Researchers are edging closer to a universal antiviral drug, a single medicine that could treat every virus known to man.

Add Yahoo as a preferred source to see more of our stories on Google. A new Zika vaccine from Brazil shields the brain and testicles, avoids dengue confusion, and could reshape prevention strategies ...

Beyfortus (nirsevimab-alip) is a prescription drug used to help prevent serious illness from respiratory syncytial virus (RSV) in certain children. Beyfortus can cause side effects that range from ...