Public health & disease

From disease eradication efforts to advances in vaccination and maternal health, this archive tracks real progress in public health. Stories here focus on what’s working — policies, interventions, and research that are improving and extending lives around the world.

Virus up close, for article on HIV cure

H.I.V. is reported cured in a second patient, a milestone in the global AIDS epidemic

A second patient clearing HIV after a bone-marrow transplant confirmed the first cure wasn’t an anomaly — and gave researchers something real to build on. The procedure replaced the patient’s immune cells with donor cells carrying a mutation that blocks HIV from entering the body, but it remains risky, expensive, and limited to those already requiring it for cancer. Still, the case is quietly reshaping what scientists believe is possible, pointing gene therapy research toward a future that doesn’t require a transplant at all.

Cannabis leaves

World Health Organization recommends removing cannabis from Schedule IV, the most restrictive category of a 1961 international drug convention

Global health experts at the United Nations are recommending that marijuana and its key components be formally rescheduled under international drug treaties. WHO is also moving to make clear that CBD-focused preparations containing no more than 0.2 percent THC are “not under international control” at all.