Mass deworming

Treating large numbers of people for helminthiasis and schistosomiasis

Mass deworming, is one of the preventive chemotherapy tools, used to treat large numbers of people, particularly children, for worm infections notably soil-transmitted helminthiasis, and schistosomiasis in areas with a high prevalence of these conditions. It involves treating everyone – often all children who attend schools, using existing infrastructure to save money – rather than testing first and then only treating selectively. Serious side effects have not been reported when administering the medication to those without worms, and testing for the infection is many times more expensive than treating it. Therefore, for the same amount of money, mass deworming can treat more people more cost-effectively than selective deworming. Mass deworming is one example of mass drug administration.

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