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ORIGINAL ARTICLE Table of Contents   
Year : 2011  |  Volume : 36  |  Issue : 2  |  Page : 124-127
Prevalence of Chikungunya in urban field practice area of a private medical college, Chennai

Department of Community Medicine, Sree Balaji Medical College and Hospital, Chromepet, Chennai, Tamil Nadu, India

Correspondence Address:
Sudharsanam M Balasubramaniam
Balaji Hospital, 8-B Kakkan street, West Tambaram, Chennai-600 045
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0970-0218.84131

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Background: The outbreak of Chikungunya in India started during December 2005 with more than 11,00,000 cases. Many cases with symptoms suggestive of Chikungunya reported to our urban health-training centre. Hence this study was done to estimate the prevalence of Chikungunya, to study the common treatment-seeking behavior, control measures and the sequalae of Chikungunya by follow-up. Materials and Methods: This cross-sectional study was done in Anagaputhur an urban field practice area of our college. The study was done on a sample selected by systematic random sampling. Any person with fever and joint pain, with an onset from 1 August 2006 to 31 August 2006, were enrolled as cases. The cases were followed up after three months. Results: Chikungunya prevalence in the community was 22.3%; 52% of them were females and 56% of cases were in the 15-44 years age group. Median duration of acute phase was three days. Ninety-one percent of them had multiple joints' involvement. Seventy-eight percent sought treatment from the private sector. Sixty-seven percent reported artificial collections of water around their household and 44% complained of mosquito problems during the day. Eighty-eight percent used mosquito repellents for personal protection. On follow-up 95% of them had residual joint pain, 43% had residual joint swelling and 11% had disabilities with median duration of 30 days. Conclusions: Prevalence of Chikungunya was 22.3%, predominantly affecting the age group of 15-44 years and females. The private sector was commonly sought for treatment. Entomological survey indicated Aedes breeding. Eleven percent had disabilities due to the sequelae.

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