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J Vet Sci. 2018 Dec 4. [Epub ahead of print]

Genotyping of Coxiella burnetii strains detected in cattle from a nationwide survey in Korea.

Author information

1
Cooperative Department of Veterinary Medicine, Faculty of Agriculture, Iwate University, Morioka 020-8550, Japan.
2
Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Kangwon National University, Chuncheon 200-701, Korea.

Abstract

A total of 123 Coxiella burnetii strains detected in cattle from a nationwide survey in Korea were classified into the genomic groups I (0.8%), II (13.8%), III (11.5%), IV (63.1%), and V (5.4%). Acute Q-fever strain (groups I, II, and III) was 27.6%, and chronic strain (groups IV and V) was 72.4% of the total. A dairy farm, both types were detected, showed 6.7 times higher detection rate than another farm where only chronic Q-fever strains were detected. Both acute and chronic Q-fever strains are widespread in Korea, and it could represent an active transmission source to livestock and humans.

KEYWORDS:

Acute and chronic strains; Cattle; Coxiella burnetii; Genomic groups; Korea

PMID:
30541186

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