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Vibrio cholerae O1 isolated in Kenya
Journal of Clinical Microbiology
|October 1, 1982
Summary
This study analyzed Vibrio cholerae O1 isolates from Kenyan epidemics. All isolates were biotype E1 Tor, with most showing hemolytic activity, indicating potential virulence factors.
Area of Science:
- Microbiology
- Infectious Diseases
- Epidemiology
Background:
- Vibrio cholerae O1 is the causative agent of cholera epidemics.
- Understanding the characteristics of circulating strains is crucial for public health interventions.
Purpose of the Study:
- To characterize biological and serological properties of Vibrio cholerae O1 isolates from Kenya.
- To identify specific biotypes and hemolytic activity among these strains.
Main Methods:
- Biological and serological analyses were performed on 272 Vibrio cholerae O1 isolates.
- Isolates were sourced from six major epidemics and sporadic cases in Kenya.
- Hemolytic activity was assessed using Feeley's method.
Main Results:
- All 272 isolates were identified as Vibrio cholerae biotype E1 Tor.
- A significant proportion, 210 out of 272 isolates (77%), exhibited hemolytic activity.
Conclusions:
- The Vibrio cholerae O1 strains circulating in Kenya during the study period belonged to the E1 Tor biotype.
- The high prevalence of hemolytic activity suggests these strains may possess enhanced virulence potential, contributing to epidemic outbreaks.