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The study was approved by the United States Centers for Disease Control and Prevention (U.S CDC) human subject review board and conducted per the applicable federal law and CDC policy. \u00a7\u00a7See e.g., 45\u00a0C.F.R. part 46, 21\u00a0C.F.R. part 56; 42 U.S.C. \u00a7\u00a0241(d); 5 U.S.C. \u00a7\u00a0552a; 44 U.S.C. \u00a7\u00a03501 et seq.\u00a0Additionally, we obtained permission to conduct the investigation from the Kayunga District health authorities. We obtained verbal informed consent from participants who were \u2265\u200918 years old, or from their parents or guardians for those\u2009<\u200918 years (Appendix). In addition, we obtained assent from participants below the age of 18. For those who had died, we obtained informed consent from their next-of-kin. We ensured confidentiality by conducting interviews in privacy ensuring that no one could follow proceedings of the interview. 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