The U.S. Centers for Disease Control and Prevention (CDC) began working in Senegal in 2001, supporting the HIV/Sexually Transmitted Infection sentinel surveillance program. Since 2010, through the President\u2019s Emergency Plan for AIDS Relief (PEPFAR), CDC has continued to support Senegal\u2019s Ministry of Health and Social Action (MOHSA) to build a sustainable and reliable national HIV surveillance system by developing a functioning HIV case reporting and surveillance system, strengthening the quality of routine prevention of mother-to-child transmission (PMTCT) of HIV data and on-site HIV rapid testing.Senegal\u2019s HIV epidemic is concentrated with an HIV prevalence of less than < 1 percent in the general population but very high (up...