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Year : 2019  |  Volume : 6  |  Issue : 1  |  Page : 21-26

Circulating serotypes and antimicrobial susceptibility pattern of Vibrio cholerae isolates from insurgency-stricken Maiduguri, northeastern Nigeria

1 Department of Medicine, University of Maiduguri, Borno State, Nigeria
2 Department of Medical Microbiology, University of Maiduguri Teaching Hospital, Maiduguri, Nigeria

Correspondence Address:
Dr. Musa A Garbati
Department of Medicine, University of Maiduguri, P.M.B. 1069, Borno State, Maiduguri
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ssajm.ssajm_12_19

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Background: Cholera has continued to be a global threat to public health largely due to lack of social development. In endemic areas, outbreaks usually occur when war or civil unrest disrupts public sanitation services contaminating food and water supplies. Extensive and injudicious use of antimicrobials has led to the emergence of Vibrio cholerae strains that are resistant to several antibiotics. Aim: This study aims to highlight the recent cholera outbreak in the northeastern Nigeria and its characteristics, regarding the circulating serotypes and the antibiotic susceptibility of the isolates. This information is important for the effective control of future outbreaks using vaccination and antibiotics. Materials and Methods: We retrospectively reviewed 102 consecutive fresh diarrheic stool samples at the University of Maiduguri Teaching Hospital, Maiduguri, Nigeria, from July to December 2018. All samples were analyzed by culture and serology according to standard procedures. Antimicrobial susceptibility testing was performed with the Kirby-Bauer disk diffusion method on Mueller-Hinton agar. Results: Stool samples from 102 suspected cholera cases were received in the medical microbiology laboratory department for evaluation. Males made up 54% of the study population, aged 3 months to 70 years. Most of the cases were from camps harboring large numbers of internally displaced persons. Serotyping revealed that the sero group Ogawa was responsible. The strains were 100% sensitive to amikacin, ciprofloxacin, and cefotaxime, with varying resistance to trimethoprim/sulfamethoxazole and tetracycline. Conclusion: Our study highlights the continuing social problems associated with cholera epidemics and the significance of regular serologic and antimicrobial resistance surveillance of V. cholerae strains in our environment for proper management of cases.

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