Volume 24, Number 2—February 2018
Dispatch
Scrub Typhus Outbreak in Chonburi Province, Central Thailand, 2013
Table 2
Chigger infestation and Orientia tsutsugamushi infection in rodent and shrew species, Chonburi Province, Thailand, 2013*
Family | Species | No. captured (% of total) | No. infested with chiggers, (% of species total) | No. (%) seropositive for STG by IFA | No. (%) positive for OT by PCR |
---|---|---|---|---|---|
Muridae | Bandicota indica rat | 4 (8.9) | 4 (100) | 4 (100) | 0 |
B. savilei rat | 1 (2.2) | 1 (100) | 0 | 1 (100) | |
Rattus rattus rat | 27 (60) | 25 (92.6) | 27 (100) | 7 (25.9) | |
R. exulans rat |
3 (6.7) |
1 (33.3) |
1 (33.3) |
1 (33.3) |
|
Sciuridae |
Menetes berdmorei squirrel |
8 (17.8) |
7 (87.5) |
ND |
1 (16.7) |
Tupaiidae |
Tupaia glis shrew |
2 (4.4) |
2 (100) |
ND |
0 |
All | 45 | 40 (88.9) | 32 (71.1) | 10 (22.2) |
*IFA, indirect fluorescence antibody assay; ND, not determined; OT, Orientia tsutsugamushi; STG, scrub typhus group of antigens.