U.S. kindergarten vaccination rates have declined again, with exemptions reaching a record high.
As the U.S. flu season winds down, health officials say the flu vaccine didn't work very well, with one of its worst effectiveness rates in more than a decade.
California health departments are fighting to contain measles outbreaks as cases rise and resources shrink. Investigating communicable diseases is time-intensive and expensive. Officials say teams have about 72 hours after a positive case to find exposed people and stop spread.
More than a dozen states sued the Trump administration over its rollback of vaccine recommendations for children, calling the move an illegal threat to public health.
Two schools in Berkeley reportedly sent out a warning following a possible exposure to mumps on campus.
The American Academy of Pediatrics on Monday released its updated recommendations for what vaccines children should get.