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Trans R Soc Trop Med Hyg. 1995 Jan-Feb;89(1):16-20.

Control of Ascaris infection by chemotherapy: which is the most cost-effective option?

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Department of Public Health and Epidemiology, Swiss Tropical Institute, Basel.


Cost-effectiveness analysis is used to predict the optimal design of mass chemotherapy strategies in controlling Ascaris lumbricoides infection. The question of who to treat, how many to treat, and how often to treat are addressed using a population dynamic model of helminth transmission that assesses effectiveness in terms of disease reduction, combined with cost data from an actual control programme. Child-targeted treatment can be more cost-effective than population treatment in reducing the number of disease cases. The model also implies that, in the circumstances described here, enhancing coverage is a more cost-effective approach than increasing frequency of treatment.

[Indexed for MEDLINE]

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