Evaluation of a Differentiated Point-of-care Active Case Finding & Management Model to Eliminate Mother-to-Child Transmission of HIV in Malawi

The criteria for Enumerated MIP Cohort is as follows: Inclusion Criteria: * Enrolled in the national EMTCT program at a study site in the 12 months preceding a survey. Exclusion Criteria: * None. The criteria for Enumerated MIP Field Survey is as follows: Inclusion Criteria: * Age 16 years or older. * Enrolled in the national EMTCT program at a study site in the 12 months preceding a survey. Exclusion Criteria: * Documented transferred out from a site prior to the field survey. * Participated previously in the field survey. * Decline informed consent. The criteria for In-Depth Interviews is as follows: Inclusion criteria: * Age 16 years or older. * Met high-risk criteria for PAC-Man model. * Participated in a field survey. Exclusion criteria: * Decline informed consent. The criteria for Focus Group Discussions is as follows: Inclusion criteria: * Age 18 years or older. * MOH or implementing partner professional or lay health worker at a study site (such as nurses, community health workers, health surveillance assistants, and HIV diagnostic assistants) * Generally familiar with the PAC-Man model and/or EMTCT/ EID service delivery at their site. Exclusion criteria: * Decline informed consent. The criteria for Key Informant Interviews is as follows: Inclusion criteria: * Age 18 years or older. * HIV/ EMTCT policy maker OR MOH/ PEPFAR implementing partner senior manager. * Generally familiar with HIV and/or EMTCT/ EID service delivery. Exclusion criteria: * Decline informed consent. The criteria for Implementation Actor Questionnaires is as follows: Inclusion criteria: * Age 18 years or older. * Professional or lay health provider at a study site. * Generally familiar with HIV and/or EMTCT/ EID service delivery at their site. * Participated in a focus group discussion. Exclusion criteria: * Decline informed consent.