TABLE 4.
Infection rates as determined by PCR for I. scapularis nymphs in the lower Hudson Valley in 1996
| County | No. of sites tested | No. of nymphs tested | Mean % positive (SD)
|
||
|---|---|---|---|---|---|
| B. burgdorferi | Ehrlichia sp. | Coinfection | |||
| Westchester | 5 | 250 | 16.0 (16.0) | 16.4 (10.8) | 4.4 (5.0) |
| Putnam | 5 | 252 | 9.2 (7.7) | 10.8 (5.4) | 0 |
| Dutchess | 5 | 253 | 15.0 (10.6) | 16.2 (11.1) | 1.6 (3.6) |
| Rockland | 5 | 252 | 28.2 (10.4) | 11.6 (7.7) | 4.8 (2.3) |
| Orange | 4a | 177 | 5.8 (3.9) | 14.3 (3.1) | 0.5 (1.0) |
| Ulster | 2a | 84 | 10.0 (5.7) | 8.5 (9.2) | 0 |
a
At other sites in the county not enough ticks were collected for testing.