Diagnostic Techniques of Soil-Transmitted Helminths: Impact on Control Measures

Tropical Medicine and Infectious Disease
Mirabeau Mbong NgweseAyola Akim Adégnika

Abstract

Soil-transmitted helminth (STH) infections are common in the tropical and subtropical countries. The burden of disease is highest in endemic areas with limited access to good quality water supply and poor sanitary conditions. Major approaches to control and reduce morbidity caused by worm infections include the periodic deworming of pre-school and school-aged children with anthelminthic drugs. Population-based studies and individual patient management including interventional studies can only be successful when accurate diagnostic techniques are used. The lack of appropriate diagnostic tools providing accurate results concerning both infectious status and intensity of infection-as these two factors vary in regions of low infection intensities-is a major challenge. Currently, available techniques show limited sensitivity and specificity and as such, a combination of several techniques is usually used to diagnose the large variety of parasite species. The objective of this review was to describe the advantages and disadvantages of the different available techniques for the diagnosis of STH infections and to highlight their use in control programs.

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Citations

Jan 25, 2021·Infection·Jean Claude Dejon-AgobéMartin P Grobusch

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MDA
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nucleic acid amplification
imaging techniques

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