Table 5 Minimum positive rate of Orientia tsutsugamushi in chigger mites collected from domestic rodents, northern China
Chigger species | Season, no. positive pools/total counts (%) | ||||
|---|---|---|---|---|---|
Spring | Summer | Autumn | Winter | Total | |
Leptotrombidium intermedium | 0 | 0 | 9/721 (1.2) | 1/96 (1.0) | 10/817 (1.2) |
L. scutellare | 0 | 0 | 4/602 (0.7) | 1/6 (16.7) | 5/608 (0.8) |
L. palpale | 1/14 (7.1) | 0 | 6/1132 (0.5) | 3/129 (2.3) | 10/1275 (0.8) |
L. taishanicum | 1/6 (16.7) | 0 | 1/28 (3.6) | 0 | 2/34 (5.9) |
L. linhuaikongense | 0 | 0 | 2/62 (3.2) | 0 | 2/62 (3.2) |
L. laxoscutum | 0 | 0 | 0 | 0/46 (0) | 0/46 (0) |
Gahrliepia octosetosa | 0 | 0/3 (0) | 0 | 0 | 0/3 (0) |
Walchia pacifica | 0 | 0/104 (0) | 0/8 (0) | 0 | 0/112 (0) |
Odontacarus majesticus | 0 | 0/177 (0) | 0 | 0 | 0/177 (0) |
Total | 2/20 (10.0) | 0/284 (0) | 22/2553 (0.9) | 5/277 (1.8) | 29/3134 (0.9) |