Author/Authors :
Aminharati, F Department of Pathobiology and Microbiology - School of Public Health - Tehran University of Medical Sciences, Tehran, Iran , Ehrampoush, M.H Department of Environmental Health - School of Public Health - Shahid Sadoughi University of Medical Science s, Yazd, Iran , Soltan Dallal, M.M Research Center of Food Microbiology - Tehran University of Medical Sciences, Tehran, Iran , Dehghani Tafti, A.A Department of Disaster and Emergency Health - School of Public Health - Shahid Sadoughi University of Medical Science s, Yazd, Iran , Yaseri, M Department of Epidemiology and Biostatistics - School of Public Health - Tehran University of Medical Sciences, Tehran, Iran , Rajabi, Z Research Center of Food Microbiology - Tehran University of Medical Sciences, Tehran, Iran
Abstract :
Background: Enterotoxigenic Escherichia coli (ETEC) is one of the most important
agents of travelers’ diarrheal diseases in the developing countries. The main purpose of
this study was to determine the association of ETEC outbreaks with climatic and
demographic variables in Yazd province of Iran.
Methods: This study was done on 729 food-borne disease rectal swab samples, which
gathered during 48 ETEC outbreaks in Yazd province from 2012 to 2016. The isolates
were identified by biochemical tests, serotyping, and heat labile enterotoxin assays in
Vero cell line culture. The climatic data was gathered from Iran’s Meteorological
Organization and Yazd synoptic stations. Data were analyzed by Stata statistical
software.
Results: The rates of ETEC outbreaks in Ashkezar, Mehriz, and Taft were significantly
(p<0.05) more than the other cities of Yazd province. A positive relationship was found
between suspended dust condition and the IR of ETEC outbreaks. The IR of ETEC
outbreak in autumn was more than the other seasons.
Conclusion: The present work showed the association of ETEC outbreaks with some
factors such as demographic features, location status, and climate variations.
Keywords :
Environment , Climate , Epidemics Escherichia coli , Iran
