In Harm's Way
Unlike Africa's Great Lakes, which are known for freshwater beaches and cool evenings, Lake Kwania is more of a giant swamp: shallow, full of crocodiles and choked with lilies, papyri and hyacinths — an ideal place for the malaria parasite. These women, above, all of whom have had malaria, dig for fish in one of the many swamps near the lake in Apac district.

• The Battle for Global Health