Latent Microsporidial Infection in Immunocompetent Individuals – A Longitudinal Study
2011

Latent Microsporidial Infection in Healthy Individuals

Sample size: 15 publication Evidence: moderate

Author Information

Author(s): Sak Bohumil, Kváč Martin, Kučerová Zuzana, Květoňová Dana, Saková Kamila

Primary Institution: Biology Centre of the Academy of Sciences of the Czech Republic, Institute of Parasitology

Hypothesis

What is the prevalence of latent microsporidia infections in immunocompetent individuals?

Conclusion

The study found that exposure to microsporidia is common among healthy individuals, with many showing no clinical symptoms.

Supporting Evidence

  • Specific anti-microsporidial antibodies were found in 14 out of 15 individuals tested.
  • Asymptomatic Encephalitozoon spp. infection was found in 13 individuals.
  • E. bieneusi infection was detected in 7 individuals.
  • Seven different genotypes of E. bieneusi were recorded.
  • Microsporidia were detected intermittently in urine and stool samples.

Takeaway

This study shows that many healthy people can have a type of germ called microsporidia without feeling sick, and it might come back to cause problems if they get sick later.

Methodology

The study tested sera, urine, and stool samples from fifteen HIV-negative individuals for microsporidia using various assays over three months.

Potential Biases

Potential bias due to the limited demographic of participants who were all at risk of occupational exposure to animals.

Limitations

The sample size was small and from a highly selected population, which may limit the generalizability of the findings.

Participant Demographics

Participants were aged 22–56 years, with a male to female ratio of 8:7.

Digital Object Identifier (DOI)

10.1371/journal.pntd.0001162

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