期刊
MAYO CLINIC PROCEEDINGS
卷 95, 期 9, 页码 1942-1945出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.mayocp.2020.06.020
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In a multicenter cohort of 22,315 patients tested for COVID-19, 1676 (7.5%) had repeat testing via real-time polymerase chain reaction following an initial negative test. Of those retested within 7 days of their first negative test, only 2.0% had a positive result. This suggests that repeat testing from the same source is unlikely to provide additional information. (C) 2020 Mayo Foundation for Medical Education and Research
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