Objective: This study analysed the impact of improvement collaborative activities on the quality of prevention of mother-to-child transmission of AIDS in 28 health services in Côte d'Ivoire.
Methods: This descriptive, longitudinal, analytical study was based on the main information concerning HIV-infected pregnant women, and the integration and maintenance of HIV-infected subjects in the healthcare system. The study was conducted in 28 heathcare structures of 26 health districts in 12 health areas of Côte d'Ivoire,from January to September 2009.