WHO Global Database on Vitamin A Deficiency
General Info
Original or alternative title
Vitamin and Mineral Nutrition Information System (VMNIS), Vitamin A deficiency data by country
Coverage type
Global
Time period covered
January, 1955 - December, 2007
Series or system
Data type
Survey
Summary
The WHO Global Database on Vitamin A Deficiency provides estimates of xeropthalmia prevalence and determinations of serum retinol concentrations at the country, regional, and global levels.
Survey reports and publications reporting on vitamin A that were used in the WHO Global Database on Vitamin A Deficiency were collected from: ministries of health through WHO regional offices, national research and academic institutions, nongovernmental organizations, organizations in the UN system, and regular searches of online databases such as PubMed, Medline, Embase, Ovid, and WHO regional databases.
Keywords
Citation
Contributors
Publisher
Suggested citation
World Health Organization (WHO). WHO Global Database on Vitamin A Deficiency. Geneva, Switzerland: World Health Organization (WHO).