Abstract

Background: Despite substantial efforts to control the disease, brucellosis remains one the most rampant zoonotic infections among agricultural and rural populations. It is still considered a major public health challenge in endemic areas, including Iran. Objectives: Regarding the high prevalence rate of brucellosis in northwest of Iran and the occupational nature of the disease, this study intends to describe the epidemiological pattern of brucellosis in Salmas, Iran, during 2014 - 2017. Methods: This cross-sectional study was conducted using the data collected using a checklist designed to investigate the personal health records of patients available at Urmia University of Medical Sciences from 2014 to 2017. Data analyses were conducted using SPSS, version 19. Chi-square, t-test, and the Cochran-Armitage χ2 test for trend were performed. Results: Among 417 brucellosis cases, the total incidence rate was 52.73 cases/100,000 inhabitants over the four-year study. The prevalence rate of brucellosis was higher in men, and the male to female ratio was 1.38. The 31 - 45 years age group was the most infected. Summer season showed a higher prevalence. Brucellosis was more common among housewives-stockbreeders. Cheese was the most frequently consumed unpasteurized dairy product. The majority of patients were from rural regions. Conclusions: The study shows a significant increase in the prevalence of human brucellosis in Salmas, hence the disease has to be regarded as a public health priority. Educating farmers and inhabitants of endemic areas to take preventive measures can play a significant role in controlling brucellosis.

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