Volume 14, Number 7—July 2008
Dispatch
Anaplasma phagocytophilum Infection in Small Mammal Hosts of Ixodes Ticks, Western United States
Janet E. Foley*
, Nathan C. Nieto*, Jennifer Adjemian*, Haydee Dabritz†, and Richard N. Brown‡
, Nathan C. Nieto*, Jennifer Adjemian*, Haydee Dabritz†, and Richard N. Brown‡
Table 2
Regional seroprevelance and PCR prevalence rates for exposure to Anaplasma phagocytophilum in small mammals in various sites, northern and central California*
| Site | A. phagocytophilum IFA |
A. phagocytophilum msp2 PCR |
|||||
|---|---|---|---|---|---|---|---|
| Seropositive | Seroprevalence | 95% CI | PCR positive | PCR prevalence | 95% CI | ||
| Big Basin State Park | 16 | 6.30 | 3.76–10.22 | 5 | 12.20 | 4.58–27.00 | |
| Humboldt Redwoods State Park | 24 | 16.90 | 11.33–24.31 | 2 | 6.06 | 1.06–21.62 | |
| Hoopa Valley Indian Reservation | 173 | 36.19 | 31.91–40.70 | 6 | 4.14 | 1.69–9.18 | |
| Hendy Woods State Park | 43 | 22.51 | 16.93–29.22 | 5 | 12.19 | 4.58–27.00 | |
| King Range National Conservation Area | 1 | 3.45 | 0.18–19.63 | 0 | 0.00 | 0.00–80.21 | |
| Mendocino County (roadside only) | 0 | 0.00 | 0.00–94.53 | 0 | 0.00 | 0.00–94.54 | |
| Morro Bay regional communities | 5 | 1.23 | 0.45–3.01 | 2 | 0.67 | 0.12–2.65 | |
| Placerville City region (roadside only) | 1 | 1.00 | 5.46–1.00 | 1 | 1.00 | 5.46–1.00 | |
| Quincy City region (roadside only) | 2 | 50.00 | 15.00–84.99 | 0 | 0.00 | 0.00–60.42 | |
| Sutter Buttes State Park | 3 | 7.50 | 1.96–21.48 | 1 | 50.00 | 9.45–90.55 | |
| Sagehen Research Station | 17 | 7.69 | 4.68–12.24 | 0 | 0.00 | 0.00–60.42 | |
| Siskiyou County (roadside only) | 3 | 1.00 | 30.99–1.00 | 1 | 33.33 | 1.76–87.47 | |
| Sonoma | 1 | 1.00 | 5.46–1.00 | 0 | 0.00 | 0.00–94.54 | |
| Samuel P. Taylor State Park | 3 | 1.75 | 0.42–5.45 | 2 | 4.26 | 0.74–15.73 | |
| Trinity County (roadside only) | 2 | 40.00 | 7.26–82.96 | 0 | 0.00 | 0.00–53.71 | |
| Sacramento River Valley (roadside only) | 3 | 1.00 | 30.99–1.00 | 0 | 0.00 | 0.00–69.00 | |
| Willow Creek Town (roadside only) | 3 | 0.30 | 8.09–64.63 | 0 | 0.00 | 0.00–60.42 | |
| Yolo County | 1 | 6.67 | 0.35–33.97 | 0 | 0.00 | 0.00–25.35 | |
*IFA, immunofluorescence assay; CI, confidence interval.
Page created: July 12, 2010
Page updated: July 12, 2010
Page reviewed: July 12, 2010
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
Content Credential