NavGeneral InfoEmail Print Original or alternative title Tchad Enquete de Couverture Vaccinale 2017 Geography Chad (TCD) Coverage type Country Time period covered 01/2017 - 12/2017 Data type Survey Keywords BCG vaccines, DTP vaccines, Immunization, Measles vaccines, Polio vaccines Citation Contributors World Health Organization (WHO) Suggested citation World Health Organization (WHO). Chad Vaccine Coverage Survey 2017. GHDx Entry last modified on: Jun 3, 2021