NavGeneral InfoEmail Print Geography Yemen (YEM) Coverage type Country Time period covered 01/1993 - 12/1993 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 United Nations Children's Fund (UNICEF) Suggested citation United Nations Children's Fund (UNICEF). Yemen National Immunization Program Review 1993. GHDx Entry last modified on: Nov 6, 2018