Gupta Surender Nikhil, Sachan Pawan, Gupta Naveen, Swain Pushpanjali, Gupta Shivani.
Incidence of chikungunya fever in ghatampur municipality, Kanpur Nagar district, Uttar Pradesh, India.
Isra Med J Jan ;5(3):180-4.

OBJECTIVES: (I) To estimate the magnitude, compare the results of two wards (Shivpuri and Achhimohal) and (ii) to formulate recommendations for prevention and control. STUDY DESIGN: Experimental study PLACE AND DURATION: 1st October to 16th November 2006 in residents of Shivpuri and Achhimohal ward. METHODOLOGY: We selected and compared two wards; Shivpuri ward with high attack rate and the other Achhimohal one-low attack rate. We defined a case as the occurrence of fever with joint pain with or without skin rashes during the period of 1st October to 16th November 2006 in residents of Shivpuri and Achhimohal ward. We collected information on age, sex, residence, date of onset, symptomatology, history of treatment, deaths in the family. We described outbreak in time, place and person characteristics. We collected 14 random blood samples from shivpuri and 7 blood samples from Achhimohal ward for serological investigation. We conducted entomological survey for species identification. RESULTS: We identified total 384 case-patients among 2,202 residents (overall attack rate (AR: 384/2202 (17%); Median age: 31 year) in both the wards. [343/1173 (29%) in Shivpuri ward vs 41/1029 (4%)]; sex specific AR was 52% for females. The major symptoms were fever 384/384 (100%), arthralgia 380//384 (99%). Severity of disease and oedema were less prevalent in children of age group 1-15 year as compared to older age group 31-45 years [109/239 (46%), 13/183 (7%)]. The attack rate was highest 88/239 (37%) and statistically significant (P<0.03) in Shivpuri ward adjacent to pond. Both wards, Shivpuri-141 of 343 (41%) and Achhimohal-23 of 41 (56%) reported consulting with unqualified private practitioners. 19/21 were positive for anti Chikungunya IgM antibodies. 38/43 households (88%) in Shivpuri ward and 6/43 households (13%) in Achhimohal ward identified three species of Aedes mosquitoes. CONCLUSION: Chikungunya is mosquito born and laboratory confirmed; severely debilitating disease. Recommended for aggressive Information, Education and Communication (IEC) for emptying the storage of water once in a week and rational use of drugs.

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