Epidemiological Characteristics of Human Brucellosis in Shahin Dezh, Western Azarbaijan, Iran, 2008-2012

Background: Brucellosis is still one of the most challenging issues for health and the economy in many developing countries such as Iran. Objectives: This study investigated the epidemiological features of brucellosis in Shahin Dezh, Western Azarbaijan province, North West of Iran. Patients and Methods: This study had across-sectional design and data was collected from private and public sectors over a fiveyear period (2008-2012). All cases were studied between years 2008 and 2012 in Shahin Dezh. Results: In total, 492 cases of brucellosis were reported. The prevalence of brucellosis decreased from 152 cases/100000 inhabitants in 2008 to 97 cases/100000 inhabitants at the beginning of 2012. About 52.3% of subjects were male, and most cases of brucellosis were aged 25-30 years. Eighty-one percent of subjects lived in rural areas. There was a statistically significant difference regarding contact with livestock between rural and urban areas (91.7% vs. 68.8%) (P value 0.001). Raw milk was the most commonly consumed dairy product; consumed by 37% of cases. Finally, during winter and spring a high prevalence rate of brucellosis was reported. Conclusions: Comprehensive health-related interventions need to empower communities at risk, especially young men and young and adult women in the Shahin Dezh County. Health education is needed to raise awareness of people in the studied area.