The global burden of intestinal nematode infections — Fifty years on

Fifty years after Stoll published his ‘This Wormy World’ article, the global prevalence of infections with intestinal nematodes remains virtually unchanged. The main species involved are Ascaris lumbricoides, Trichuris trichiura and hookworms, and there are now approximately one billion infections w...

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Bibliographic Details
Published in:Parasitology Today 1997-11, Vol.13 (11), p.438-443
Main Author: Chan, M-S.
Format: Article
Language:English
Subjects:
Biological and medical sciences
Diseases caused by nematodes
Helminthic diseases
Infectious diseases
Medical sciences
Miscellaneous
Parasitic diseases
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Summary:Fifty years after Stoll published his ‘This Wormy World’ article, the global prevalence of infections with intestinal nematodes remains virtually unchanged. The main species involved are Ascaris lumbricoides, Trichuris trichiura and hookworms, and there are now approximately one billion infections with each of these, worldwide. Given these large numbers, Man-Suen Chan here focuses on attempting to quantify the disease burden caused by these infections, using a recently formulated method of calculating disability-adjusted life years (DALYs). Using a mathematical model, it is estimated that approximately 70% of this burden can be prevented in high-prevalence communities by treating schoolchildren alone. Programmes targeted at schoolchildren have been shown to be extremely cost-effective, and hence this provides a realistic approach for combating these infections in the future.
ISSN:0169-4758
1873-1473
DOI:10.1016/S0169-4758(97)01144-7