Strongyloidiasis epidemiology and demographics
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] ; Associate Editor(s)-in-Chief: Aditya Ganti M.B.B.S. [2]
Overview
The global prevalence of Strongyloides is unknown, but experts estimate that there are between 30–100 million infected persons worldwide, mainly in tropical and subtropical countries and is more common in the pediatric age group (ages 2-10 years).
Epidemiology and Demographics
Incidence and Prevalance
- The global prevalence of Strongyloides is unknown, but experts estimate that there are between 30–100 million infected persons worldwide.
- In the United States, a series of small studies in select populations have shown that between 600-1000 per 100,000 persons sampled were infected.
- Studies in immigrant populations have shown a much higher percentage of infected persons ranging from 460-1000 per 100.000 persons.
Geographic distrubution
- Strongyloides is known to exist on all continents except for Antarctica, but it is most common in the tropics, subtropics, and in warm temperate regions.
Age
Ascariasis occur in all age groups but it is more common in the pediatric age group (ages 2-10 years).
Gender
Males and females are equally affected.