A once-robust H.I.V. treatment and prevention system, credited with saving hundreds of thousands of lives, has begun to crumble.

Cuban health care was once the pride of the island. Now the U.S. oil blockade is upending even basic medical care.

Elderly people in isolated villages are going without medicine. One woman said she hadn’t seen a doctor in four years.

As deaths from diabetes start to rival those from infectious threats like malaria, a new form of the condition linked to malnutrition is surfacing in patients who can afford neither screening nor care.

The attack hit a drug rehabilitation facility, Afghanistan said, suggesting that civilians were among the victims. Pakistan said it had targeted a weapons depot.

A draft State Department memo outlines ways the Trump administration may ratchet up pressure on the African country by ending health support “on a massive scale.”