TABLE 3.
Serologic test results grouped by state and by category of hypothesized vector and reservoir abundances
| Category (vector/re- servoir)a | State | % of cate- gory | n (%) | No. reactiveb (%) | Titer |
|---|---|---|---|---|---|
| CP/CP | Connecticut | 14.5 | 100 | 11 (11.0) | 481 (128–2,048)c |
| New Jersey | 11.0 | 76 | 1 (1.3) | 256 | |
| New York | 71.2 | 491 | 113 (23.0) | 419 (32–4,096)c | |
| Maryland | 2.2 | 15 | 1 (6.7) | 64 | |
| Wisconsin | 1.1 | 8 | 1 (12.5) | 128 | |
| Total | 690 (55.6) | 127 (18.4) | |||
| CP/UA | Florida | 28.4 | 27 | 2 (7.4) | 362 (256–512)c |
| Georgia | 16.8 | 16 | 0 | ||
| North Carolina | 54.7 | 52 | 0 | ||
| Total | 95 (7.7) | 2 (2.1) | |||
| UA/CP | Illinois | 32.1 | 27 | 0 | |
| Ohio | 67.9 | 57 | 0 | ||
| Total | 84 (6.8) | 0 (0.0) | |||
| UA/UA | California | 8.6 | 32 | 3 (9.4) | 323 (128–512)c |
| Colorado | 57.1 | 212 | 4 (1.9) | 256 (32–256)c | |
| Nevada | 7.3 | 27 | 0 | ||
| Utah | 27.0 | 100 | 0 | ||
| Total | 371 (30.0) | 7 (1.9) |
a
Estimated relative abundances of I. scapularis and P. leucopus noveboracensis as hypothesized in the text. CP, common or present; UA, uncommon or absent.
b
IFA titer of ≥32.
c
GMT (range) of reactive samples.