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KMID : 0921620130430020140
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Journal of Bacteriology and Virology
2013 Volume.43 No. 2 p.140 ~ p.144
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An Epidemiological Survey on Serological Diagnosis of Legionnella Infection in Seoul, Korea
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Yoon Yong-Tae
Han Chang-Ho
Choi Sung-Sun
Lee Jung-Mi
Kim Chang-Kyu
Choi Sung-Min
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Abstract
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Serological investigation of antibodies to Legionella species in 1,802 sera collected in seoul was conducted with indirect fluorescent antibody assay (IFA). With an antibody titer of ≥1:128 to be positive, 17 (0.9%) of these sera were positive and 6 (35.3%) of positive sera showed cross-reactions between Legionella species. The number of sera with antibody titers of ≥1:128 to L. pneumophila serogroup 1, L. pneumophila serogroup 4, L. pneumophila serogroup 5, L. bozemanii, L. micdadei, L. anisa were 6 (35.3%), 3 (17.6%), 3 (17.6%), 2 (11.8%), 1 (5.9%), 2 (11.8%) respectively. Among 17 positive sera, 10 (58.8%) sera were from male and 7 (41.2%) from female. An average age of them was 68.9 (±15.3; 27~89). Except for one serum, 16 (94.1%) of positive sera were from those older than 50 years old. The result suggests that the aged over 50 years old should be more careful of Legionella infection.
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KEYWORD
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Legionella species, Indirect fluorescent antibody assay (IFA)
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