Repeated antigen testing of 12 severe acute respiratory coronavirus virus 2 (SARS-CoV-2)-positive nursing home residents using Abbott BinaxNOW identified 9 of 9 (100%) culture-positive specimens up to 6 days after initial positive test. Antigen positivity lasted 2-24 days. Antigen positivity might last beyond the infectious period, but it was reliable in residents with evidence of early infection.
CITATION STYLE
Moritz, E. D., McKay, S. L., Tobolowsky, F. A., Lavoie, S. P., Waltenburg, M. A., Lecy, K. D., … Kutty, P. K. (2022). Repeated antigen testing among severe acute respiratory coronavirus virus 2 (SARS-CoV-2)-positive nursing home residents. Infection Control and Hospital Epidemiology, 43(12), 1918–1921. https://doi.org/10.1017/ice.2021.370
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