Background: Chikungunya is a mosquito-borne, viral, acute febrile illness that can be difficult to distinguish clinically. Since the incidence of this disease is increasing, it is necessary to study the prevalence and incidence of the disease to take the measures to stop the spread of the disease. The study was done as epidemiologically in Bharatpur region in all age group. Materials & Methods: This was a retrospective study conducted in the central lab of a Government Medical College Bharatpur (Rajasthan) during four years period (January 2015 to October 2018). In this study 589 patients having suspicion of Chikungunya of all age groups characterized by acute illness with painful myalgia, polyarthralgia, fever and skin rash were included. IgM antibodies of Chikungunya were detected by IgM capture ELISA in serum. Results: This study was done over suspected cases of chikungunya. 589 serum samples were collected and serum were tested for IgM antibody by Elisa method and in 122 it was found to be positive for Chikungunya. The number of suspected case were increased significantly over the study period. Number of samples were maximum in year 2016 and also positivity was (31.33%) in this year. Chickinguniya virus positivity was maximum in post monsoon season. Females were affected more 22.7% than males 18.5% of the total suspected. Majority of patients were in the age group of 21-60 years. Conclusions:The present was done to find out the prevelance and incidence of chinkungiya and to estimate the burden of disease in the district of bharatpur .The study concluded that chikinguniya is prevalent throughout the year with the maximum prevalence seen during the monsoon reason.All the age groups are affected with maximum morbidity and mortality seen in the vunrelable group like children and people with preexisting disease and old people. The incidence of chikinguniya can be minimized with educating people about vector born diseases and how to control the spread of mosquitoes. A community awareness based approach can minimize the morbidity and mortality associated with chikinguniya and minimize the economic impact on the poor and margnilased people of developing country like india.

Keywords: Chikungunya; Fever; Arthralgia; IgM ELISA.