Prevalence Rate of Vibrio cholerae and other Vibrio Species Isolated from Stool Samples in Andoni Community of Rivers State

Abstract

This study aims at determining the prevalence of Vibrio cholerae among the people of Andoni Local Government. One hundred stool samples were collected after administering well-structured questionnaire and were analysed with standard microbiological techniques which includes; macroscopy, microscopy, culture on thiosulphate-citrate-bile salts-sucrose agar, Gram staining and biochemical tests (indole, motility, catalase and oxidase tests). Results showed a prevalence of 30% of Vibrio cholerae. Vibrio parahaemolyticus was also isolated with a prevalence rate of 42%. Among the predisposing factors, the prevalence rate of vibrio species based on demographic data showed positive with 77.8% of those tested within the age range 11-15years, 80% of those tested within the age range 16-20years while 6-10years and 26-30years had 0%. Among the sexes, 78.2% of the females and 64.4% of males tested were positive. In the religion category, 75.8% positive among Christians tested and 33.3% among other religious groups tested. Based on educational qualification, the primary students 42.9% of those tested were positive, 85.2% for secondary and 0% among tertiary students. Among the occupational status, 83.3 of those doing business, 20% of civil servants, 73.3% of self-employed and 75% of students were positive among each category tested. Based on the different communities, 100% of those from Ajakajak, 100% from Apahia, 100% of those from Dema, 71.4% of those from Ibotirem, 66.7% of those from Udung-Ama and 0% of those from Ngo were positive among each category tested. Most of the cholera infection observed were because of a bad water source and contaminated sea food consumption