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An Afghan mother holds her son who has Leishmaniasis as they wait for treatment at the Health Net Clinic October 23, 2002 in Kabul, Afghanistan. | Paula Bronstein/Getty Images
Medicine

This Flesh-Eating Parasite Might Soon Be Thwarted by a New Vaccine

Leishmaniasis is a parasite that is moving northward as temperatures warm, but US and Brazilian researchers say a vaccine may be on the way.