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논문 기본 정보

자료유형
학술저널
저자정보
Lee Jeong Young (Office of Infection Control, Asan Medical Center, Seoul, Korea.) Jung Jiwon (Office of Infection Control, Asan Medical Center, Seoul, Korea.Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.) Jo Jae Lim (Office of Infection Control, Asan Medical Center, Seoul, Korea.) Lim Young-Ju (Office of Infection Control, Asan Medical Center, Seoul, Korea.) Kim Sun-Kyung (Office of Infection Control, Asan Medical Center, Seoul, Korea.) Yang Hyejin (Office of Infection Control, Asan Medical Center, Seoul, Korea.) Park Soyeon (Office of Infection Control, Asan Medical Center, Seoul, Korea.) Kim Eun Ok (Office of Infection Control, Asan Medical Center, Seoul, Korea.) Kim Sung-Han (Office of Infection Control, Asan Medical Center, Seoul, Korea.Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.)
저널정보
대한감염학회 Infection and Chemotherapy Infection and Chemotherapy Vol.56 No.1
발행연도
2024.3
수록면
66 - 72 (7page)
DOI
10.3947/ic.2023.0077

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Background We aimed at evaluating the diagnostic performance of rapid antigen test (RAT) compared to polymerase chain reaction (PCR) for severe acute respiratory syndrome coronavirus 2 and the possible transmission of infection to close contacts from patients with negative RAT and positive PCR results. Materials and Methods Patients/guardians urgently requiring admission to the ward on the same day had been hospitalized with RAT-negative result before the PCR results were available. We performed an epidemiologic investigation of the close contacts of those with negative RAT but positive PCR results after hospitalization. Results A total of 4,237 RATs were performed from March to August 2022. When the PCR test was used as the reference, RAT had a sensitivity of 28.8% (17/59; 95% confidence interval [CI], 17.8 - 42.1), a specificity of 100% (4,220/4,220; 95% CI, 99.9 – 100.0), a positive predictive value of 100.0% (17/17; 95% CI, 100.0 - 100.0), and a negative predictive value of 99.0% (4,178/4,220; 95% CI, 99.3 - 99.8). The epidemiologic investigation revealed that among the 32 patients with negative RAT and subsequent positive PCR results after admission into multi-patient room, two (6.3%) showed secondary coronavirus disease 2019. Conclusion The secondary transmission rate from patients with negative RAT and positive PCR results was low. Our data suggest that RAT may be useful for rapid exclusion of high transmissible cases. However, further evaluation using whole genome sequencing is needed to determine the potential for transmissibility in cases showing a negative RAT but a positive PCR result.

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