NavGeneral InfoEmail Print Geography Nigeria (NGA) Coverage type Country Time period covered 01/2003 - 12/2003 Series or system Nigeria National Immunization Coverage Survey Data type Survey Summary This source appears in the WHO and UNICEF Survey Data for Immunization Coverage Time Series 2014. Keywords BCG vaccines, DTP vaccines, Immunization, Measles vaccines, Polio vaccines Citation Contributors World Health Organization (WHO) Suggested citation World Health Organization (WHO). Nigeria National Immunization Coverage Survey 2003. GHDx Entry last modified on: Jun 3, 2021