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 the building when they arrived at work. HHS Secretary Robert F. Kennedy Jr. said last week that cuts would hit …

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 ways to increase vaccination. Among more than 1,600 grant cancellations announced by the US Department of Health and Human Service …

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 Centers for Disease Control and Prevention ordered staff this week not to release their experts’ assessment that found the risk …

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 she had been sober for two years before relapsing on illicit fentanyl. Her anguish poured out onto the notebook pages …

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 400 outbreak-associated cases, New Mexico reported 44, and Oklahoma reported nine – seven confirmed and two probable – as of …

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 and disproportionately affect low-income communities. Republican Gov. Spencer Cox signed legislation late Thursday that bars cities and communities from deciding …