Rare medical events draw intense attention during any mass vaccination campaign. Among COVID vaccine side effects, few ...

Can COVID vaccines cause severe blood clots among the recipients? As cases of newly detected COVID variant is on the rise, a ...

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 ...

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 ...

The COVID pandemic ushered mRNA vaccines into the spotlight, and the technology has even greater potential. Here’s what to ...

Six years after early vaccine trials, the legacy of COVID-19 shots reflects science, public debate, and how perceptions ...

Now that children under the age of 5 are eligible to receive Covid vaccines, almost everyone in the U.S. can get vaccinated against the virus – but some questions still linger for parents of small ...

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 ...