Department of Immunization / Vaccines and Biologicals Ordering / NGO Nongovernmental / United States Agency for International Development / NID National Immunization Day PIRI Periodic Intensiļ¬cation / World Health Organization / United Nations / World Health Organization Department of Immunization / WHO World Health Organization / United Nations International Children's Emergency Fund / Department of Immunization / Vaccines and Biologicals / International Criminal Court / / /