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Evaluation of Vibrio Cholera Distribution and its Relation to the Affected Patients in Different Parts of Qom City

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Author(s): A. A Pourbabaee | F Karami | A Amirkhani | B Rajabpour

Journal: Iranian Journal of Health and Environment
ISSN 2008-2029

Volume: 3;
Issue: 2;
Start page: 203;
Date: 2010;
Original page

Keywords: Vibrio cholera | Nag | water and wastewater | vegetables | soil habitat

ABSTRACT
"n "n "nBackgrounds and Objectives: True cholera with typical clinical features nearly always occurs by serologic groups O1 and O139 but the non-O1 group can produce a disease with same clinical characteristic sporadically. According to the important of climate and environmental conditions in the distribution and abundance of Vibrio cholera, in this study, the distribution of the serologic group was evaluated in different parts of Qom city with relation to the affected patients."nMaterials and Methods: In this study 5220 environmental specimens were taken from 12 parts of Qom city and during different seasons of the year 1325, 60 clinical specimens were taken from the patients and all were evaluated for Vibrio cholera with standard methods. The study was of Descriptive and cross sectional and the results were analyzed with statistical soft ware (Epi-info)."nResults: The most abundance of Nag strains were related to Emamzadeh Ebrahim and Sheikhabad parts and Shahed Street from Khak faraj and Niroogah area and the least abundance were related to Salariyeh area. The abundance distribution of Nag strain, 7 different specimens was most in hogwash, sewerage and vegetables and least in pipe water which reveal a significant difference (P< 0.05) according to statistical goodness of fit test. The frequency distribution of the patients in each part of area 4 with relevance to sex revealed that the most contamination percentage was attributed to Emamzadeh Ebrahim and Sheikhabad and Shahed from Niroogah area and no positive specimen was taken from Haftado-do-tan and Shahrdary areas."nConclusion: According to high occurrence of the disease in same areas, and results from other researchers based on increased frequency of non-O1 strains in the environment during the epidemic, so can release a connection between Vibrio cholera O1 strains and non-O1 strains to conclude. On the other hand, none of the clinical and environmental samples, Vibrio cholera O1 was isolated, so probably human carriers in Qom, not the main factor is the emergence of this disease.

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