Needle exchange is not a new idea globally, but such efforts have been jolted by the Trump administration’s decision to kill 83% of U.S. Agency for International Development programs around the world.

PRETORIA, South Africa -- A secluded corner surrounded by litter and makeshift structures on the outskirts of South Africa’s capital is home to dozens of people with drug addiction. They inject ...

In the project backed by the University of Pretoria and the Tshwane municipality, they offer the chance to exchange needles for new, sterile ones. Needle exchange is not a new idea globally ...