When new medical findings emerge, they often help explain events that once seemed confusing or even alarming. This is ...

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 ...

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 ...

In the coming weeks and months, several coronavirus vaccines will begin making their way to our cities in a hope to curtail the spread of a virus that has put a halt on our everyday lives and filled ...

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 the race for the coronavirus vaccine continues, those in the trials for both Moderna and Pfizer are describing the side effects. "I'm Jennifer Haller and I'm the first person in the U.S. to trial ...

Have you seen ads for the new low-dose COVID vaccine called mNEXSpike and wondered what it's all about? Us too! So we did some digging-and spoke to University of California-Irvine immunization expert ...

A reactivation of the virus that causes chickenpox, the illness can be miserable. Here's what to know about early warning ...