The U.S. saw a rise in measles cases in 2024, including an outbreak in Chicago that sickened more than 60. This month, health ...

As childhood vaccinate rates drop in the U.S. outbreaks of measles are rising. In his new book, Booster Shots, Dr. Adam ...

Yahoo News provides the latest updates on the spread of bird flu in the U.S., and its effect on rising egg prices and ...