Researchers develop a better test for the parasite that causes river blindness
The WHO estimates that 205 million people in African countries are at risk of infection
An extra 1 part per billion of pollution comes with an 8 percent increase in COVID-19 mortality
Environmental protection and coronavirus are inextricably linked
Hand hygiene isn't implemented rigorously across the world, even in health care
It's not always easy to get alcohol or soap-based washes where they are needed