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Volume 19, Number 5—May 2013

Dispatch

Scrub Typhus Outbreak, Northern Thailand, 2006–2007

Wuttikon Rodkvamtook, Jariyanart GayweeComments to Author , Suparat Kanjanavanit, Toon Ruangareerate, Allen L. Richards, Noppadon Sangjun, Pimmada Jeamwattanalert, and Narongrid Sirisopana
Author affiliations: Armed Forces Research Institute of Medical Science, Bangkok, Thailand (W. Rodkvamtook, J. Gaywee, T. Ruangareerate, N. Sangjun, P. Jeamwattanalort, N. Sirisopana); Nakhornping Hospital, Chiang Mai, Thailand (S. Kanjanavanit); Naval Medical Research Center, Silver Spring, Maryland, USA (A. L. Richards).

Main Article

Table 1

Chigger infestation and Orientia tsutsugamushi infection in small mammals captured in Ban Pongyeang, northern Thailand, 2006–2007*

Rodent family, genus species No. animals captured No. (%) animals infested with chiggers No. chiggers collected (mean no./animal) No. (%) animals with O. tsutsugamushi infection No. (%) O. tsutsugamushi isolates obtained
Muridae
Bandicota indica 15 15 (100.0) 951 (63.4) 15 (100.0) 2 (22.2)
B. savilei 12 12 (100.0) 699 (58.2) 9 (75.0) 0
Rattus rattus 15 8 (55.6) 320 (21.3) 8 (53.3) 0
R. exulans 3 1 (50.0) 40 (5.0) 1 (33.3) 0
R. berdmorei
6
4 (66.6)
168 (28.0)
3 (50.0)
0
Viverridae, Herpestes javanicus 1 1 (100.0) 7 (7.0) ND NA
Sciuridae, Menetes berdmorei 2 2 (100.0) 56 (28.0) ND NA
Tupaiidae, Tupaia glis 1 1 (100.0) 41 (41.0) ND NA
Total 55 45 (81.8) 2,277 (44.4) 36 (65.5) 2 (3.6)

*ND, not done; NA, not applicable.

Main Article

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