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Detection of Rickettsia typhi and seasonal prevalence of fleas collected from small mammals in the Republic of Korea.
J Wildl Dis. 2010 Jan; 46(1):165-72.JW

Abstract

Fleas were collected from live-captured small mammals to identify potential flea-borne pathogens, seasonal prevalence of flea species, and host preference as part of the US military rodent-borne diseases surveillance program conducted at one US military installation and 10 military training sites, northern Gyeonggi Province, Republic of Korea. During 2003-04, 948 fleas (563 females and 385 males) were recovered from 2,742 small mammals (seven rodent and one insectivore species). Apodemus agrarius (striped field mouse) accounted for 88.9% (2,439/2,742) of the small mammals, followed by Crocidura lasiura (4.2%), Mus musculus (2.9%), Microtus fortis (2.2%), Myodes regulus (0.6%), Micromys minutus (0.5%), Tscherskia triton (0.5%), and Rattus norvegicus (0.3%). Small mammal infestation rates (number with fleas/number captured) ranged from 7.7% (M. minutus and T. triton) to 31.3% (M. regulus). Flea indices were highest for M. regulus (0.69/captured rodent), followed by C. lasiura (0.54), M. fortis (0.41), A. agrarius (0.34), and R. norvegicus (0.33). Overall, Ctenophthalmus congeneroides (51.3%) was more frequently collected, followed by Stenoponia sidimi (42.6%), Rhadinopsylla insolita (5.5%), Neopsylla bidentatiformis (0.4%), Rhadinopsylla concava (0.1%), and Doratopsylla coreana (0.1%). Ctenophthalmus congeneroides was more frequently collected from small mammals during the spring and summer, while S. sidimi was more frequently collected during the winter season. Rickettsia typhi, the causative agent of murine typhus, was detected in 3.2% of specimens (7/220 pools from 654 fleas; minimum field infection rate [number of positive pools/total number of fleas] was 1.1%).

Authors+Show Affiliations

5th Medical Detachment, 168 Multifunctional Medical Battalion, US Army MEDDAC-Korea, Unit #15247, APO AP 96205-5247.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

20090029

Citation

Kim, Heung-Chul, et al. "Detection of Rickettsia Typhi and Seasonal Prevalence of Fleas Collected From Small Mammals in the Republic of Korea." Journal of Wildlife Diseases, vol. 46, no. 1, 2010, pp. 165-72.
Kim HC, Yang YC, Chong ST, et al. Detection of Rickettsia typhi and seasonal prevalence of fleas collected from small mammals in the Republic of Korea. J Wildl Dis. 2010;46(1):165-72.
Kim, H. C., Yang, Y. C., Chong, S. T., Ko, S. J., Lee, S. E., Klein, T. A., & Chae, J. S. (2010). Detection of Rickettsia typhi and seasonal prevalence of fleas collected from small mammals in the Republic of Korea. Journal of Wildlife Diseases, 46(1), 165-72.
Kim HC, et al. Detection of Rickettsia Typhi and Seasonal Prevalence of Fleas Collected From Small Mammals in the Republic of Korea. J Wildl Dis. 2010;46(1):165-72. PubMed PMID: 20090029.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Detection of Rickettsia typhi and seasonal prevalence of fleas collected from small mammals in the Republic of Korea. AU - Kim,Heung-Chul, AU - Yang,Young-Cheol, AU - Chong,Sung-Tae, AU - Ko,Sung-Jin, AU - Lee,Sang-Eun, AU - Klein,Terry A, AU - Chae,Joon-Seok, PY - 2010/1/22/entrez PY - 2010/1/22/pubmed PY - 2010/3/3/medline SP - 165 EP - 72 JF - Journal of wildlife diseases JO - J Wildl Dis VL - 46 IS - 1 N2 - Fleas were collected from live-captured small mammals to identify potential flea-borne pathogens, seasonal prevalence of flea species, and host preference as part of the US military rodent-borne diseases surveillance program conducted at one US military installation and 10 military training sites, northern Gyeonggi Province, Republic of Korea. During 2003-04, 948 fleas (563 females and 385 males) were recovered from 2,742 small mammals (seven rodent and one insectivore species). Apodemus agrarius (striped field mouse) accounted for 88.9% (2,439/2,742) of the small mammals, followed by Crocidura lasiura (4.2%), Mus musculus (2.9%), Microtus fortis (2.2%), Myodes regulus (0.6%), Micromys minutus (0.5%), Tscherskia triton (0.5%), and Rattus norvegicus (0.3%). Small mammal infestation rates (number with fleas/number captured) ranged from 7.7% (M. minutus and T. triton) to 31.3% (M. regulus). Flea indices were highest for M. regulus (0.69/captured rodent), followed by C. lasiura (0.54), M. fortis (0.41), A. agrarius (0.34), and R. norvegicus (0.33). Overall, Ctenophthalmus congeneroides (51.3%) was more frequently collected, followed by Stenoponia sidimi (42.6%), Rhadinopsylla insolita (5.5%), Neopsylla bidentatiformis (0.4%), Rhadinopsylla concava (0.1%), and Doratopsylla coreana (0.1%). Ctenophthalmus congeneroides was more frequently collected from small mammals during the spring and summer, while S. sidimi was more frequently collected during the winter season. Rickettsia typhi, the causative agent of murine typhus, was detected in 3.2% of specimens (7/220 pools from 654 fleas; minimum field infection rate [number of positive pools/total number of fleas] was 1.1%). SN - 1943-3700 UR - https://www.unboundmedicine.com/medline/citation/20090029/Detection_of_Rickettsia_typhi_and_seasonal_prevalence_of_fleas_collected_from_small_mammals_in_the_Republic_of_Korea_ L2 - http://www.jwildlifedis.org/doi/10.7589/0090-3558-46.1.165?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -