SAN FRANCISCO -- Another COVID-19 vaccine -- AstraZeneca -- is poised to arrive in the U.S., bringing a fourth option for Americans. Each vaccine is administered slightly differently, some can result ...

And, according to the CDC, co-administration of the vaccines is generally safe, though studies show that people who got both ...

The flu can also cause a general feeling of fatigue or malaise, Ray says, as well as gastrointestinal issues like diarrhea ...

There is no established link between childhood vaccines and autism—that’s a sentiment echoed by the American Academy of Pediatrics (AAP), World Health Organization (WHO), and many more major health ...

The nation’s leading doctors groups are in a standoff with federal health officials who have attacked long-used, lifesaving ...

ANSWER: Both colds and influenza (the “flu”) are respiratory illnesses that are caused by viruses. Influenza is caused specifically by the influenza viruses, which come in two main types (A and B).

The shingles vaccine not only offers protection against the painful viral infection, but a new study suggests that the two-dose shot also may slow the progression of dementia.