In this Jan. 4, 2017, photo, a doctor, right, takes a HIV blood test for a drug addict during a campaign to help drug users get care and counseling, in Kabul, Afghanistan. A small group of former addicts is trying to help drug users in Afghanistan, a country with one of the highest rates of addiction in the world. Thousands can be found in the streets of the capital, Kabul, sleeping under bridges, as the government struggles to provide services and rein in cultivation of poppies that produce opium and heroin. (AP Photo/Rahmat Gul)
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