NavGeneral InfoEmail Print Geography United Republic of Tanzania (TZA) Coverage type Country Time period covered 01/1997 - 12/1997 Data type Survey Keywords Micronutrients, Prevalence, Vision loss, Vitamin A deficiency Citation Contributors National Vitamin A Deficiency Control Programme (Tanzania) Tanzania Food and Nutrition Centre Suggested citation National Vitamin A Deficiency Control Programme (Tanzania), Tanzania Food and Nutrition Centre. Tanzania National Vitamin A Survey 1997. GHDx Entry last modified on: May 29, 2022