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A review and meta-analysis of the impact of intestinal worms on child growth and nutrition

By Andrew Hall, Gillian Hewitt, Veronica Tuffrey and Nilanthi de Silva

Abstract

More than a half of the world's population are infected with one or more\ud species of intestinal worms of which the nematodes Ascaris lumbricoides,\ud Trichuris trichiura and the hookworms are the most common and important in\ud terms of child health. This paper: a) introduces the main species of intestinal\ud worms with particular attention to intestinal nematodes; b) examines how such\ud worms may affect child growth and nutrition; c) reviews the biological and\ud epidemiological factors that influence the effects that worms can have on the\ud growth and nutrition of children; c) considers the many factors that can affect\ud the impact of treatment with anthelmintic drugs; d) presents the results of a\ud meta-analysis of studies of the effect of treating worm infections on child\ud growth and nutrition; e) discusses the results in terms of what is reasonable to\ud expect that deworming alone can achieve; f) describes some important\ud characteristics of an ideal study of the effects of deworming; and g) comments\ud on the implications for programmes of recommendations concerning mass\ud deworming

Topics: UOW2
OAI identifier: oai:westminsterresearch.wmin.ac.uk:4665
Provided by: WestminsterResearch

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