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Volume 19, Number 2—February 2013

Dispatch

Kyasanur Forest Disease, India, 2011–2012

Gudadappa S. Kasabi, Manoj V. MurhekarComments to Author , Pragya D. Yadav, R. Raghunandan, S.K. Kiran, V.K. Sandhya, G.H. Channabasappa, Akhilesh C. Mishra, Devendra Tarachand Mourya, and Sanjay M. Mehendale
Author affiliations: Author affiliations: National Institute of Epidemiology, Chennai, India (G.S. Kasabi, M.V. Murhekar, S.M. Mehendale); National Institute of Virology, Pune, India (P.D. Yadav, A.C. Mishra, D.T. Mourya); Department of Health and Family Welfare of the Government of Karnataka in Shimoga District, Shimoga, India (G.S. Kasabi, R. Raghunandan, S.K. Kiran, G.H. Channabasappa); Virus Diagnostic Laboratory, Shimoga, India (V.K. Sandhya)

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Table 2

Univariate and multivariate analysis of risk factors associated with Kyasanur Forest disease outbreak, Shimoga District, Karnataka State, India, December 2011–March 2012

Variable No. (%) case-patients, n = 51 No. (%) controls, n = 102 Odds ratio (95% CI)
Matched Adjusted
Handled cattle in last week 47 (92) 72 (71) 5.4 (1.6–18.2) 5.1 (1.3–20.4)
Went to forest in last week 44 (86) 72 (71) 4.2 (1.2–14.3) 4.7 (1.1–20.3)
Had pile of leaves within the compound 39 (76) 58 (57) 3.2 (1.3–7.9) 4.0 (1.3–12.3)
Had cattle shed in household 48 (94) 89 (87) 3.3 (0.7–16.3) 3.7 (0.5–25.9)
Received 2 doses of vaccine in 2011 20 (39) 42 (41) 0.7 (0.2–2.9) 2.4 (0.4–15)
Used tick repellent before going to forest 8 (16) 18 (18) 0.8 (0.3–2.4) 1.1 (0.3–3.8)

*Boldface indicates significance.

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