A health worker gives a child the polio vaccine in Bannu, Pakistan, June 25. More than a quarter-million children in Taliban-controlled areas are likely to miss their immunizations.
A. Majeed/AFP/Getty Images
Eerie protective suits and shiny body bags have fueled rumors about the origins of Ebola. Here, a burial team removes the body of a person suspected to have died from the virus in the village of Pendembu, Sierra Leone.
Tommy Trenchard for NPR
Fishermen drag a net in Lake Malawi in 2012. About the size of New Jersey, the lake is home to hundreds of fish species and is considered one of the most biologically diverse lakes in the world.