Table 24.1Global Prevalence and Distribution of Helminth Infections

Helminth infectionsTotal casesMajor geographic areas
STH infections≥2 billion
Ascariasis1.221 billionSub-Saharan Africa, India, China and East Asia
Trichuriasis795 millionSub-Saharan Africa, India, China and East Asia
Hookworm740 millionSub-Saharan Africa, Americas, China and East Asia
Schistosomiasis187 million
S. haematobium119 millionSub-Saharan Africa
S. mansoni67 millionSub-Saharan Africa, Americas
S. japonicum1 millionChina and East Asia

From: Chapter 24, Helminth Infections: Soil-transmitted Helminth Infections and Schistosomiasis

Cover of Disease Control Priorities in Developing Countries
Disease Control Priorities in Developing Countries. 2nd edition.
Jamison DT, Breman JG, Measham AR, et al., editors.
Copyright © 2006, The International Bank for Reconstruction and Development/The World Bank Group.

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