People often focus on the bad side effects of vaccines, but they can have some great side effects too, says columnist Michael Le Page. They don’t just protect us from contagious diseases but can also ...

Medically reviewed by Geetika Gupta, MD Key Takeaways COVID-19 vaccines can sometimes cause psoriasis flares after the first ...

Many continue to worry about experiencing side effects from vaccines -- especially the COVID-19 vaccines -- but new data from a comprehensive meta-analysis suggests there is little to fear. The study ...

A groundbreaking study explains why certain COVID-19 vaccines caused dangerous blood clots, hemorrhages and VITT syndrome, ...

Vaccinations for Covid-19 are now underway in the U.S. Two vaccines – one from Pfizer and BioNTech, one from Moderna — have received emergency use authorizations by the Food and Drug Administration.

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. If you’re over age 50 or have a suppressed immune system, you may have heard your doctor recommend the shingles vaccine. But what ...

The US Food and Drug Administration has issued emergency use authorization (EUA) for the Covid-19 vaccine developed by Pfizer and BioNTech. After months of development, emergency use was authorized ...

Government approval of COVID-19 vaccines determines their availability to populations vulnerable to infection, such as children. Spencer Platt/Getty Images Trump officials intend to link 25 child ...

As Michigan sees growing rates of COVID-19 and high rates of influenza, a national poll led by the University of Michigan has ...