Soil-Transmitted Helminthiasis and Vitamin A Deficiency: Two Problems, One Policy Eric C. Strunz, Parminder S. Suchdev, David G. Addiss Trends in Parasitology Volume 32, Issue 1, Pages 10-18 (January 2016) DOI: 10.1016/j.pt.2015.11.007 Copyright © 2015 Elsevier Ltd Terms and Conditions
Figure 1 Key Figure: Global Overlap of Vitamin A Deficiency and Soil-Transmitted Helminthiasis (STH) Shaded countries are those that require preventive chemotherapy for STH according to the WHO. Cross-hatched countries are those with moderate or severe vitamin A deficiency (VAD) according to the WHO (i.e., prevalence of VAD is 10% or higher). Trends in Parasitology 2016 32, 10-18DOI: (10.1016/j.pt.2015.11.007) Copyright © 2015 Elsevier Ltd Terms and Conditions