Much about what we know about Ebola was discovered in an outbreak in the Democratic Republic of Congo in 1976. Joel Breman and Karl Johnson were among the first doctors to work on the outbreak.
Ebola has made us all obsessed with body temperature. 98.6 degrees Fahrenheit is normal, right? But what about 98.2? Or 99? And how high and low can you go on the thermometer and survive?
Madagascar reports hundreds of plague cases each year. Health officials are concerned that this year's outbreak could grow rapidly now that it has reached a densely-populated city.
Staff members at a clinic in Sierra Leone were told to minimize treatments and expect few survivors. But they refused to follow that plan and came up with a safe way to boost the survival rate.
A fungus consumes a worm and sprouts out of its head. The resulting ... thing ... is deemed an aphrodisiac and sells for more than gold. How do you keep people from killing each other to harvest it?
Baby Sesay was in a care center in a village in Sierra Leone, waiting to find out if she had Ebola. Our photographer took a picture. Two days later, she was gone.
"My Toilet," a new photo exhibit in London, documents how commodes — or the lack of a proper one — affect the health, safety and education of girls and women around the world.
The Singapore activist created World Toilet Day in 2001, got U.N. sponsorship last year and posed for us on a toilet outdoors on a freezing day. That's how committed he is to bringing toilets to all.