Jonathan Lambert

The U.S. is the only country allowed to withdraw from the World Health Organization. And Jan. 22 is the day when Trump's pullout announcement should go into effect. But ... it's complicated.

Until last year, the number of children orphaned because a parent died from AIDS, was plummeting. That's thanks to America's 20 year effort to get lifesaving HIV meds to millions in need. But last years upheaval in foreign aid funding is raising concern that more children will be at risk of losing a parent to the deadly virus.

Flu season is off to a rough start this year, according to new CDC data. The virus is spreading faster than in previous years and the surge is likely to get worse. Here's what you need to know.

A small U.S. foreign aid program worked for nearly two decades to help countries eliminate tropical diseases that aren't known to many people. The Trump administration ended the program in January.

Bethany Kozma leads a key global health office at the Department of Health and Human Services. In past experience in the public eye, she's campaigned against abortion and gender-affirming care.

New research suggests that for some children exposure to extreme heat could lead to setbacks on key developmental milestones.

The campaign to prevent and treat these diseases has seen great success thanks to a USAID program. Now that program is gone.

A study points to a new concern about the effect that heat can have on young children.

New research shows feverish temperatures make it more difficult for viruses to hijack our cells. A mouse study suggests it's the heat itself that makes the difference.

The drug lenacapavir will be distributed to Eswatini and Zambia — the first step toward providing at least 2 million doses to the countries with the highest HIV burden, largely in Africa, by 2028.