Table 1.
Breakdown of Amblyomma americanum Ticks Captured in Woodland and Pasture Sites and the Prevalence Levels of Ehrlichia chaffeensis and Ehrlichia ewingii Among These Ticks Collected Around Periurban Landscape in Pittsburg, Kansas
| Pathogen | |||
|---|---|---|---|
| Land cover |
Tick species Amblyomma americanum n, % |
Ehrlichia chaffeensis n, % (95% CI) |
Ehrlichia ewingii n, % (95% CI) |
| Woodland (n = 2720) | |||
| Adult male | 925, 34.00 | 56, 6.05 (4.60, 7.70) | 11, 1.89 (0.67, 2.12) |
| Adult female | 841, 30.91 | 101, 12.0 (9.98, 14.38) | 18, 2.14 (1.36, 3.36) |
| Nymph poola | 954, 35.07 | 4, 2.09 (0.82, 5.29) | 3, 1.57 (0.54, 4.54) |
| Pasture (n = 1637) | |||
| Adult male | 484, 29.56 | 39, 8.05 (5.95, 10.83) | 5, 1.03 (0.44, 2.39) |
| Adult female | 706, 43.12 | 85, 12.03 (9.84, 14.65) | 8, 1.33, (0.57, 2.31) |
| Nymph poolb | 447, 27.30 | 3, 3.33 (1.15, 9.45) | 1, 1.12 (0.06, 6.97) |
The 95% CI corresponds to the proportions of pathogen prevalence without continuity correction. Estimates included coinfected samples.
a
One hundred ninety pools of five nymphs and one pool of four nymphs were analyzed.
b
Eighty-nine pools of five nymphs and one pool of two nymphs were analyzed.
CI, confidence interval.