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…showed last 75 words of 519 total…million people with H.I.V. Some countries are experiencing increased heterosexual transmission, but in others, infections "remain concentrated mainly in men who have unprotected sex with other men and injecting drug users," the agency said. Transmission in sub-Saharan Africa remains primarily by heterosexual contact, and 25.3 million of the total number of living victims live there. The Ivory Coast, Kenya, Tanzania, Uganda and Zimbabwe have reported the highest number of cumulative cases on the continent.