Yahoo News answers some of the most frequently asked questions about measles amid the multi-state outbreaks that started in ...

At least one person has died and 134 have been infected from an outbreak of salmonella linked to a recall of more than 20 ...

The U.S. is having its worst year for measles spread in more than three decades, with a total of 1,288 cases nationally and ...

This year is the worst for measles spread in the U.S. since 1991. The news comes as Missouri has become the 18th state with ...

According to experts and the CDC, most Arizonans who are fully vaccinated against COVID-19 can take off their masks and return to normal activities.

The Arizona Department of Education is currently facing a $206 million shortfall in basic state aid.

Hand‑picked CDC panel endorses flu shots for all but recommends avoiding thimerosal vials—a win for skeptics that may affect cost and trust.

The CDC's Advisory Committee on Immunization Practices (ACIP) has issued new vaccine recommendations affecting RSV and flu immunizations in 2025. The panel voted to expand RSV protection for ...

CDC advisers recommend Merck's Enflonsia to protect babies from RSV, addressing the leading cause of infant hospitalization ...

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