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KMID : 1141420230280010106
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Korean Journal of Healthcare-associated Infection Control Prevention
2023 Volume.28 No. 1 p.106 ~ p.112
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A Usefulness of Serologic Screening of Measles and Hepatitis a for Healthcare Workers in a Tertiary Care Hospital
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Hong Hae-Kyung
An Hyun-A
Kim Myo-Jeong
Kim Eun-Myung
Kim Tark
Shin Hee-Bong
Han Su-Ha
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Abstract
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Background: It is essential to know the immunity status of healthcare workers (HCWs) against the hepatitis A virus (HAV) and measles due to the likelihood of exposure on duty. Immune status can be evaluated using self-reporting of previous infection history, vaccination status, or measurement of protective antibodies. This study was conducted to compare the utility of serologic screening tests to self-reported data in determining the immune status of HAV and measles.
Methods: This retrospective study included 911 HCWs who underwent general health checkups in a tertiary care hospital from February to December 2020. We compared the results of the HCWs’ self-reported history with the results of the IgG antibody test for measles and HAV.
Results: Anti-HAV IgG and measles IgG were found in 491 (53.9%) and 812 (89.1%) HCWs, respectively. Anti-HAV IgG was positive in 90.9% (10/11) of HCWs who reported a previous history of HAV infection and 73.9% (277/375) who reported a history of vaccination. Regarding measles, 95.0% (76/80) of HCWs reported a previous history, and 89.1% (441/495) reported a history of vaccination. Compared to vaccination without serologic screening in 911 HCWs, serologic screening before vaccination was performed can reduce costs for HAV (\28,498,025) and measles (\35,585,800).
Conclusion: These results support the use of screening tests for anti-HAV IgG and measles IgG in HCWs, regardless of self-reported histories of past infection or vaccination status.
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KEYWORD
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Health personnel, Hepatitis A virus, Measles, Self report, Seroepidemiologic studies
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