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Amoebiasis in foreign students.

M Giboda1, O Ditrich, N Vokurková-Vrchotová

  • 1Institute of Parasitology, Czechoslovak Academy of Sciences, Ceské Budĕjovice.

Folia Parasitologica
|January 1, 1990
PubMed
Summary
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A study found Entamoeba histolytica infection in 3.9% of foreign students in Czechoslovakia, with higher prevalence in those from Africa. Antibody tests like ELISA and CIEP correlated with infection, indicating their utility in diagnosing amoebiasis.

Area of Science:

  • Medical Parasitology
  • Infectious Diseases
  • Immunology

Background:

  • Amoebiasis, caused by Entamoeba histolytica, is a significant global health concern.
  • Understanding the prevalence and serological markers of Entamoeba histolytica in diverse populations is crucial for public health.

Purpose of the Study:

  • To determine the prevalence of Entamoeba histolytica infection among foreign students in Czechoslovakia.
  • To evaluate the utility of enzyme-linked immunosorbent assay (ELISA) and counterimmunoelectrophoresis (CIEP) in detecting antibodies against Entamoeba histolytica.

Main Methods:

  • Stool examinations were conducted on 2,883 foreign students to detect Entamoeba histolytica cysts.
  • Serum samples from 1,001 students were analyzed using ELISA to detect antibodies.

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  • CIEP was performed on 170 patients, including those positive by ELISA and cyst carriers.

    • Main Results:

    • Entamoeba histolytica was detected in 3.9% of students, with prevalence varying by country of origin, notably higher in students from tropical and southern Africa.
    • Antibodies against Entamoeba histolytica were found in 7.9% of students via ELISA, with higher titres associated with liver abscess.
    • Both ELISA and CIEP antibody detection correlated with the presence of Entamoeba histolytica cysts, with CIEP showing a stronger dependence on active parasitization.

    Conclusions:

    • Foreign students, particularly from specific geographical regions, can be a reservoir for Entamoeba histolytica.
    • ELISA and CIEP are valuable serological tools for diagnosing amoebiasis and assessing infection status.
    • Further research into the transmission dynamics and clinical significance of Entamoeba histolytica in student populations is warranted.