A public health association and one of the nation’s largest worker unions are suing the Trump administration over the abrupt cancellation of hundreds of research grants, arguing that the moves…

The agency is seeking more data on the vaccine, said the source, who declined to be named because they weren’t authorized to speak publicly about the situation. The Wall Street…

In his 20 years working in pediatric infectious disease, Dr. John Schieffelin has never seen another illness like pertussis. Also known as whooping cough, it’s a contagious respiratory illness that…

A few months ago, a test revealed that a child in Milwaukee had elevated levels of lead in their blood. The results triggered an investigation into the family’s home, then…

A massive wave of job cuts began at US health agencies early Tuesday, with some employees receiving early morning emails that their jobs were eliminated and some unable to access…

This story was originally published on ProPublica, a nonprofit newsroom that investigates abuses of power. Sign up to receive our biggest stories as soon as they’re published. Leaders at the…

As preventable infections like measles threaten to become endemic again in the US, researchers whose government grants were recently terminated are warning about the consequences of throttling studies looking at…

Utah has become the first state to ban fluoride in public drinking water, over opposition from dentists and national health organizations who warn the move will lead to medical problems…

A measles outbreak spanning Texas, New Mexico and Oklahoma reached at least 453 cases Friday and might be linked to cases in other states and across borders. Texas has reported…

Editor’s Note: “Fentanyl in America: A Way Out” on “The Whole Story presented by Anderson Cooper” at 8 p.m. ET/PT Sunday. In a letter dated March 9, Quigley, 39, said…