A Study of Ascariasis Eradication by Repeated Mass Treatment

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Abstract
Summary In a village of 529 inhabitants in southeastern Mexico, mass treatments using piperazine in a single-dose, repeated monthly, reduced the ascariasis rate from 28% at the first treatment to no detectable infection at the eighth. Mature worms capable of contributing infectivity to the soil were not seen in post-treatment stools after the sixth month. It is concluded that eradication of human ascariasis by repeated mass treatments can be achieved, at least in a closed population.

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