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Volume 7, Number 3—June 2001
Dispatch

Risk for Human Tick-Borne Encephalitis, Borrelioses, and Double Infection in the Pre-Ural Region of Russia

Edward I. Korenberg*Comments to Author , Lidiya Ya. Gorban'†, Yurii V. Kovalevskii*, Vladimir I. Frizen†, and Andrei S. Karavanov‡
Author affiliations: *Gamaleya Research Institute for Epidemiology and Microbiology, Russian Academy of Medical Sciences, Moscow, Russia; †Perm Center of State Sanitary-Epidemiologic Inspection, Perm, Russia; ‡Chumakov Institute of Poliomyelitis and Viral Encephalites, Russian Academy of Medical Sciences, Moscow, Russia

Main Article

Table 1

Prevalence of infection by Borrelia burgdorferi sensu lato (%) in unfed adult Ixodes persulcatus ticks collected from vegetation and removed from humans

Ticks collected from vegetation
Ticks removed from humans
Year No. Prevalence of infection (p ± 2mp) No. Prevalence of infection (p±2mp) t
1994 220 31.3 ± 6.2 878 27.3 ± 3.0 1.2
1995 232 34.9 ± 6.3 833 25.2 ± 3.0 2.7
1996 500 46.8 ± 4.5 2,388 35.5 ± 2.0 4.5
1997 451 25.0 ± 5.7 1,535 27.9 ± 2.3 0.9
1998
394
27.4 ± 4.5
1,808
28.9 ± 2.1
0.6
Total 1,797 35.1 ± 2.2 7,442 30.0 ± 1.1 4.1

±2mp = confidence interval based on double sampling error.

Main Article

Page created: April 26, 2012
Page updated: April 26, 2012
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