The reporters examined hundreds of bills related to vaccines that were introduced in statehouses this year. Lawmakers flooded statehouses this year with bills seeking to dismantle vaccination rules or ...

Add Yahoo as a preferred source to see more of our stories on Google. Kevin Lamarque/File Photo via Reuters An irate Donald Trump told Robert F. Kennedy Jr. he would be considered a failure if he ...

As long as there have been vaccines, there have been people who doubted their science and safety. Back in 19th-century England, people rioted against a mandatory smallpox vaccine, claiming that it ...

The COVID pandemic feels like a long time ago. Now, we have widespread immunity from vaccination and natural infection. And getting COVID is less risky than it was five years ago. But COVID can still ...

The shingles vaccine may significantly help protect older adults against dementia, a growing body of evidence shows. Exactly how is unclear. The nervous system, however, likely holds clues. Shingles, ...

All branches of the U.S. military began once again requiring their recruits to get flu vaccines earlier this month, an exception to Defense Secretary Pete Hegseth's decision to lift the military's ...

When vaccination rates drop—as is the case with adult influenza vaccinations in Canada and child measles vaccinations in British Columbia—the explanation is often that people are "hesitant." The ...

People get vaccinated. Cats and dogs get vaccinated. Cows, fish and even koalas get vaccinated. In a shift in how researchers think about immune protection, invertebrates are now getting vaccinated, ...

The first Ebola vaccine was approved for use in 2019, three years after the horrific outbreak in West Africa that took more than 11,000 lives. Want to keep up with the latest Ebola news from this year ...

Shingles is a viral infection caused by the reactivation of the varicella-zoster (aka herpes zoster) virus, the same virus responsible for chickenpox. After you’ve had chickenpox, the virus can stay ...

People who follow "new right" media outlets are more than twice as likely to be vaccine-hesitant compared to those who never engage with those outlets, a new Johns Hopkins University study finds.