Volume 17, Number 9—September 2011
Dispatch
Canine Serology as Adjunct to Human Lyme Disease Surveillance
Paul S. Mead
, Rohan Goel, and Kiersten Kugeler
, Rohan Goel, and Kiersten KugelerTable
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.
