EPIDEMIOLOGICAL STATUS OF HUMAN CCHF IN DIFFERENT REGION OF IRAN FROM 1999 TO 2017

Background and Aim:Crimean-Congo Hemorrhagic Fever (CCHF) is a tick-borne virus with the risk of death. Considering the high prevalence of this disease in Iran, a study was conducted to evaluate a epidemiological status of human CCHF during 1999 to 2017.Methods:This study was in form of retrospective cross-sectional and the data includes demographic characteristics such as age, occupation, residence, nationality.Results:Of 1,340 CCHF patients, 90.82% had Iranian nationality and 9.17% had other nationalities. The most contaminated occupation group were Ranchers and farmers with (21.34%) and the majority of the patients (65%) were urban. The age range was 20-39 and the highest prevalence rate of contamination was observed for 20 – 29 age groups. The highest affected patients (77.81%) were infected in the first half of the year. The most rate of infection was observed in provinces of Sistan & Baluchistan, Khorasan Razavi and Fars, respectively. In 89% of cases, there is a gap of 0-1 days between the diagnosis of the disease and the preparation of the first patient sample.Conclusion:Considering the fact that CCHF is a work-related illness and there is no specific antiviral therapy available thus far, necessity of training to better understand the disease, the way of the disease transmission and controlling methods as well as prevention is inevitable. Awareness campaigns regarding the risk factors and control measures can aid in reducing the spread of this disease to a greater extent, particularly in urban area.

کلیدواژه ها:

Epidemiology ، CCHF ، Iran