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KMID : 1143420200130302467
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Public Health Weekly Report
2020 Volume.13 No. 30 p.2467 ~ p.2477
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Survey of Sero-prevalence to Coxiellosis among High Risk Groups of Q-fever in South Korea, 2007-2019
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Kim Mi-Yeon
Yi Hwa-Jung
Chun Jeong-Hoon
Hwang Kyu-Jam
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Abstract
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Q-fever, also known as query fever, is a zoonosis that naturally occurs in cattle, sheep and goats worldwide. Thus, Q-fever human infection typically results from the inhalation and ingestion of contaminated aerosols and products from infected livestock. Reports indicated that, the occurrence of Q-fever in livestock and Q-fever in humans increased from 2013 to 2015 in South Korea. In addition, since 2007, the sero-prevalence to coxiellosis among high-risk groups (such as abattoir workers, farmers, and veterinarians) has been investigated in South Korea. Results indicated that, the sero-prevalence rates were around 1% from 2007 to 2012, and that the rates gradually increased to 3.0%, 5.6% and 7.9% in 2013, 2014 and 2019, respectively. Most of these sero-prevalence rates were attributed to IgG ≥1:128 against phase II antigen of Coxiella burnetii in sera of the high-risk groups. The significant risk factors related with the sero-prevalence rate to Q-fever in the high-risk occupations were elucidated as follows: direct contact with livestock excrement, birth-borne products and blood. With the increase of sero-prevalence to Q-fever in high-risk groups, these results implied that the periodic surveys of the Q-fever sero-prevalence would be useful to deduce the status of coxiellosis in high-risk groups.
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KEYWORD
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Q-fever, Coxiella burnetii, high-risk occupations of Q-fever, sero-prevalence
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