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A six-year study on Vibrio cholerae in southeastern Iran
Hossein-Ali Khazaei1, Nima Rezaei, Gholam-Reza Bagheri
1Zabol Medical Sciences College, Zabol, Iran.
Japanese Journal of Infectious Diseases
|February 25, 2005
Summary
Cholera epidemiology in southeastern Iran showed a significant decrease in Vibrio cholerae isolation rates from 22.47% in 1997 to 0% in 2002. Public health interventions remain crucial for cholera control.
Area of Science:
- Public Health
- Infectious Diseases
- Epidemiology
Background:
- Cholera remains a significant public health challenge, particularly in impoverished communities.
- Understanding the epidemiology of Vibrio cholerae is essential for effective control strategies.
Purpose of the Study:
- To investigate the epidemiology of Vibrio cholerae in southeastern Iran.
- To analyze trends in cholera cases over a six-year period.
Main Methods:
- A 6-year study (1997-2002) involving 3,594 patients with watery diarrhea from Zabol city and surrounding rural areas.
- Isolation and identification of Vibrio cholerae strains from patient samples.
Main Results:
- Vibrio cholerae was isolated from 10.07% of patients (362 samples).
- Isolation rates decreased significantly from 22.47% in 1997 to 0% in 2002.
- The majority of cases (74.6%) originated from rural areas, with some from Afghanistan (18.8%). Vibrio cholerae O1 Ogawa was the predominant strain (92.8%).
- Twelve deaths were attributed to severe dehydration and electrolyte imbalance.
Conclusions:
- Cholera affected all demographics, with a higher prevalence in rural populations.
- Improved water and sanitation, enhanced surveillance, healthcare access, and vaccine development are key priorities for cholera control.