CJ Clarke/CIFF
Staff record the numbers of children receiving deworming medicine from their teacher on deworming day at a school in Hyderabad.
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Providing evidence-based guidance to eliminate and control STH

WHO provides Member States with evidence-based recommendations aimed to help decision‐making and national policy development for strategies to eliminate and control neglected tropical diseases.

For control of STH, WHO has published guidelines that examined all the available evidence on the effectiveness of the deworming intervention. Additionally, WHO periodically convenes meetings of experts and stakeholders to address technical and operational challenges reported from national control programmes in endemic countries, review results from ongoing research and establish priorities for new research aimed at the development and application of improved strategies for achieving the targets.


477 million

Number of deworming tablets for school aged children donated in 2020

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60 %

Reported coverage school-age children in 2019

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39 %

Coverage of preschool children in 2018

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Relevant publications

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Seventh meeting of the working group on monitoring of neglected tropical diseases drug efficacy
Lymphatic filariasis, onchocerciasis, schistosomiasis and soil-transmitted helminthiases
Preventive chemotherapy to control soil-transmitted helminth infections in at-risk population groups

This guideline provides global, evidence-informed recommendations on preventive chemotherapy (deworming), as a public health intervention in areas endemic...

Assessing the efficacy of anthelminthic drugs against schistosomiasis and soil-transmitted helminthiases

BackgroundSchistosomiasis caused by Schistosoma haematobium, S. mansoni, S. japonicum and S. mekongi and soil-transmitted helminthiases caused by Ascaris...