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Vibrio parahaemolyticus serotypes in Calcutta, India
Bulletin of the World Health Organization
|January 1, 1974
Summary
Serotypes of Vibrio parahaemolyticus causing human gastroenteritis in Calcutta rarely match those from marine or non-marine sources. The study also identified unusual, complex, and novel serotypes.
Area of Science:
- Microbiology
- Food Safety
- Public Health
Background:
- Vibrio parahaemolyticus is a significant cause of seafood-borne gastroenteritis globally.
- Understanding the serotype distribution of V. parahaemolyticus is crucial for epidemiological surveillance and source tracking.
Purpose of the Study:
- To investigate the serotypes of V. parahaemolyticus strains isolated from various sources in Calcutta.
- To determine the association between serotypes causing human gastroenteritis and those found in environmental (marine and non-marine) isolates.
Main Methods:
- Isolation and serotyping of V. parahaemolyticus strains from clinical samples (gastroenteritis patients) and environmental sources (marine and non-marine) in Calcutta.
- Comparative analysis of serotype prevalence between human and environmental isolates.
Main Results:
- Serotypes commonly associated with human gastroenteritis in Calcutta were infrequently found among marine and non-marine V. parahaemolyticus isolates.
- Several atypical, complex, and previously unreported serotypes of V. parahaemolyticus were identified in the study population.
Conclusions:
- The serotype profiles of V. parahaemolyticus causing gastroenteritis in Calcutta may differ significantly from those in local environmental reservoirs.
- The identification of novel and complex serotypes highlights the need for ongoing surveillance and characterization of V. parahaemolyticus.