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Determining Soil-transmitted Helminth Infection Status and Physical Fitness of School-aged Children
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Strongyloidiasis in Latin American immigrants: a pilot study.

G Ostera1, J Blum1, C Cornejo2

  • 1Georgetown University Medical Center,Department of Microbiology and Immunology,Washington, DC,United States of America.

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A study found that 4.2% of foreign-born individuals in Washington, DC, had strongyloidiasis, a parasitic infection. This highlights the need for screening immigrants from endemic regions for gastrointestinal parasites.

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Area of Science:

  • Infectious Diseases
  • Parasitology
  • Epidemiology

Background:

  • The United States has a large immigrant population, with over half originating from Latin American countries where intestinal parasites are common.
  • Strongyloidiasis, a potentially fatal parasitic infection, poses a significant health concern in this demographic.

Purpose of the Study:

  • To determine the seroprevalence of Strongyloides stercoralis infection among foreign-born individuals in Washington, DC.
  • To investigate the potential for polyparasitism in individuals identified as positive for S. stercoralis.

Main Methods:

  • A cross-sectional study was conducted using an NIE-ELISA IgG antibody assay to detect S. stercoralis infection.
  • Quantitative real-time polymerase chain reaction (qPCR) was performed on stool samples from NIE-ELISA-positive participants to identify co-infections.

Main Results:

  • The NIE-ELISA assay revealed a 4.2% prevalence of S. stercoralis infection in the study group of 119 volunteers.
  • The combined use of NIE-ELISA and qPCR identified a 5.0% overall parasite prevalence, indicating potential co-infections.

Conclusions:

  • The findings emphasize the importance of systematic screening for gastrointestinal parasites in individuals from parasite-endemic regions.
  • The study advocates for a broader survey in the USA to assess the risk of strongyloidiasis and other parasitic infections among immigrants.