Global Health

Even as the CDC endorses the end of mask mandates in many areas, some folks still want to wear a mask in public places to reduce the risk of a coronavirus infection. Here's a guide to one-way masking.

The consensus has been that Pfizer and Moderna are most protective. But a study looking at 5 vaccines — including Russia's Sputnik V and two Chinese types — offers an unexpected finding.

Environmental writer Oliver Milman says habitat loss, pesticides and climate change are killing off insects worldwide, which, in turn, threatens humans. His new book is The Insect Crisis.

The study being released on Wednesday warns of spikes in unhealthy smoke pollution and other problems coming from the increased threat of catastrophic wildfires.

Some countries are moving ahead with plans to offer a fourth dose of COVID-19 vaccine. But studies are raising questions about the potential advantages of this extra booster.

Dr. Sriram Shamasunder just spent a week in Rwanda at the university co-founded by Paul Farmer — and witnessed the passion and compassion of this global health champion days before his untimely death.

Known for his efforts to improve global health and as the founder of the nonprofit health organization Partners in Health, Farmer died in Rwanda at age 62.

Dr. Paul Farmer, a global health champion, Harvard Medical School professor, anthropologist and co-founder of the nonprofit health organization Partners in Health, has died at age 62.