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Participants attend the opening ceremony of the International Conference on AIDS and Sexually Transmitted Infections in Africa (ICASA) in Kigali, Rwanda, Dec. 2, 2019. (Photo by Cyril Ndegeya/Xinhua)
Participants attend the opening ceremony of the International Conference on AIDS and Sexually Transmitted Infections in Africa (ICASA) in Kigali, Rwanda, Dec. 2, 2019. (Photo by Cyril Ndegeya/Xinhua)