by Annie Waldman and Duaa Eldeib

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Every day, they tackled complex issues with life-or-death stakes:

A failure to get donor organs to critically ill patients.

Tobacco products designed to appeal to kids.

Maternal and infant death.

They were hired after lawmakers and bureaucrats debated and negotiated and persuaded their colleagues — sometimes over the course of years — to make those problems someone’s job to solve.

Then, this month, they were fired as part of President Donald Trump’s widespread purge of federal workers. Suddenly, the future of their public health missions was in question.

The White House hasn’t released figures on how many have been fired, but news reports have begun to take stock: about 750 workers at the Centers for Disease Control and Prevention, which plays a central role responding to pandemics; more than 1,000 staffers at the National Institutes of Health, which funds and conducts life-saving research; dozens at the Centers for Medicare and Medicaid Services, which manages public health care and insurance programs; and scores of employees at the Food and Drug Administration, which oversees the safety of food, drugs and medical devices.

Department of Health and Human Services Secretary Robert F. Kennedy Jr. has vowed to gut the federal health centers, stating “entire departments” at the FDA should be cut. Neither the administration nor the federal agencies responded to ProPublica’s questions, but a White House spokesperson has previously said they were removing newer employees who were “not mission critical.”

“The implications for the health of the public are grave,” said Susan Polan, an associate executive director at the American Public Health Association, which is

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