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KMID : 1039620150050040430
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Korean Journal of Family Practice
2015 Volume.5 No. 4 p.430 ~ p.435
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Characteristics of Influenza-like Illness Patients in the Community’s Hospital and the Efficacy of Influenza Vaccination
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Kang Do-Won
Shim Su-Jung
An Soo-Cheol
Choi Kang-Eun
Song In-Chan
Kwon Se-Ryun
Heo Ji-Yeong
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Abstract
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Background : A few studies have investigated the clinical characteristics of influenza-like illness and the efficacy of influenza vaccination. We retrospectively evaluated the clinical characteristics of patients with influenza-like illness.
Methods : A total of 2,344 patients who showed signs of influenza-like illness between January 2014 and February 2014 were included in this study. Among them, 515 patients had been tested by reverse transcription-polymerase chain reaction and rapid antigen testing. We compared the influenza vaccination group with the influenza non-vaccination group and correlation to high risk group.
Results : The influenza vaccination group showed significantly lower prevalence of influenza than the influenza non-vaccination group (odds ratio, 0.665; P<0.001). There was significantly lower odds ratio of influenza associated with influenza vaccination in the high-risk group for influenza (odds ratio, 0.504; P<0.001). No significant difference was found between the influenza vaccination group and influenza non-vaccination group in terms of patient demographics or associated symptoms.
Conclusion : Influenza vaccination is effective in the prevention of influenza. Further, influenza vaccination is a more effective prevention in the high-risk group for influenza.
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KEYWORD
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Influenza-like Illness, Influenza Vaccination, High Risk Group
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