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Zeleke Guru (L), a nurse, and Shimelis Nigusse (R) examine leprosy patients at Alert Comprehensive Specialized Hospital talks with in Addis Ababa, Ethiopia, on April 8, 2025. Ethiopia, a country of some 130 million people in northeastern Africa, officially eliminated leprosy as a public health problem in 1999, after case numbers dropped below one in 10,000. But some 2,500 infections are still recorded each year, according to the United Nations World Health Organisation (WHO), which lists leprosy as one of the 20 "neglected" tropical diseases. (Photo by AMANUEL SILESHI/AFP via Getty Images)