BARINGO COUNTY, Kenya—Ten-year-old Lopeto Losile looked confused.
He sat on a wooden bench in the lobby of the Chemolingot Sub-County Hospital, located 165 miles northwest of Nairobi. His lanky frame was draped in a red and black shawl, and his short, brown hair was disheveled.
His mother, who sat beside him, kept crossing and uncrossing her legs.
Losile had recently tested positive for visceral leishmaniasis, the second-most deadly parasitic disease after malaria, which attacks the spleen, liver, and bone marrow.