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Volume 24, Number 2—February 2018

Scrub Typhus Outbreak in Chonburi Province, Central Thailand, 2013

Wuttikon RodkvamtookComments to Author , Narupon Kuttasingkee, Piyada Linsuwanon, Yutthapong Sudsawat, Allen L. Richards, Maneerat Somsri, Noppadon Sangjun, Chien-Chung Chao, Silas Davidson, Elizabeth Wanja, and Jariyanart Gaywee
Author affiliations: Royal Thai Army Component—Armed Forces Research Institute of Medical Science, Bangkok, Thailand (W. Rodkvamtook, N. Kuttasingkee, Y. Sudsawat, M. Somsri, N. Sangjun, J. Gaywee); US Army Medical Directorate—Armed Forces Research Institute of Medical Science, Bangkok (P. Linsuwanon, S. Davidson, E. Wanja); Naval Medical Research Center, Silver Spring, Maryland, USA (A.L. Richards, C.-C. Chao)

Main Article

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)
Menetes berdmorei squirrel
8 (17.8)
7 (87.5)
1 (16.7)
Tupaia glis shrew
2 (4.4)
2 (100)
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.

Main Article

Page created: January 17, 2018
Page updated: January 17, 2018
Page reviewed: January 17, 2018
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