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Cryptosporidium in asymptomatic children
A F Vuorio1, A M Jokipii, L Jokipii
1Department of Serology and Bacteriology, University of Helsinki, Finland.
Reviews of Infectious Diseases
|March 1, 1991
Summary
Cryptosporidiosis is often considered a childhood disease, but this study found no cases in children under five. This suggests a different age distribution for cryptosporidiosis than previously reported.
Area of Science:
- Medical Parasitology
- Pediatric Infectious Diseases
- Epidemiology
Background:
- Cryptosporidiosis is frequently characterized as a disease predominantly affecting young children.
- Existing literature suggests a specific age demographic for symptomatic cryptosporidiosis.
Purpose of the Study:
- To investigate the prevalence and age distribution of cryptosporidiosis in preschool children.
- To challenge the established understanding of cryptosporidiosis's typical age group.
Main Methods:
- Fecal samples were collected from 423 healthy preschool children.
- Cryptosporidium species detection was performed on collected samples.
- Data was combined with previous study findings for a comprehensive analysis.
Main Results:
- No Cryptosporidium species were detected in any of the 423 healthy preschool children's fecal samples.
- The prevalence of Cryptosporidium in this cohort was less than 0.24%.
- Combined data indicated a prevalence of less than 0.18% for children under five in the Helsinki area, contradicting typical findings.
Conclusions:
- The study indicates an inverse age distribution for cryptosporidiosis, with minimal prevalence in children under five.
- Findings suggest that the epidemiology of cryptosporidiosis, particularly its age distribution, requires further investigation, considering asymptomatic carriers and local variations.
- The Helsinki area's low prevalence aligns with global trends when excluding exceptional high-prevalence locations.