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Volume 17, Number 9—September 2011

Dispatch

Canine Serology as Adjunct to Human Lyme Disease Surveillance

Paul S. MeadComments to Author , Rohan Goel, and Kiersten Kugeler
Author affiliations: Author affiliation: Centers for Disease Control and Prevention, Fort Collins, Colorado, USA

Main Article

Table

Counties meeting criteria for emergence of human Lyme disease during 2007–2009, by canine seroprevalence of Borrelia burgdorferi antibodies during 2001–2006, 46 US states*

Canine seroprevalence, 2001–2006, %† No. low-incidence counties,‡
2001–2006 No. (%) emergent counties,§
2007–2009¶
Unknown 2,065 96 (4.5)
0 240 1 (0.4)
0.1–0.5 174 1 (0.6)
0.51–1.0 101 4 (4.0)
1.1–5.0 122 33 (27.0)
>5.1 32 18 (56.3)

*All states except Alaska, Hawaii, Montana, and Nevada.
†Data from Figure 2 in Bowman et al. (8).
‡Counties with below average incidence of human Lyme disease (<4.7 cases/100,000 population).
§Counties with below average incidence in 2001–2006 and above in 2007–2009.
¶χ2 for trend 135.9, p<0.0001, for counties with known canine seroprevalence.

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