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Am J Infect Control ; 52(6): 701-706, 2024 06.
Artigo em Inglês | MEDLINE | ID: mdl-38181902

RESUMO

BACKGROUND: Wastewater surveillance for SARS-CoV-2 has been used widely in the United States for indication of community incidence during the COVID-19 pandemic, but less is known about the feasibility of its use on a building level in nursing homes to provide early warning and prevent transmission. METHODS: A pilot study was conducted at 8 Department of Veterans Affairs nursing homes across the United States to examine operational feasibility. Wastewater from the participating facilities was sampled daily during the week for 6 months (January 11, 2021-July 2, 2021) and analyzed for SARS-CoV-2 genetic material. Wastewater results were compared to new SARS-CoV-2 infections in nursing home residents and employees to determine if wastewater surveillance could provide early warning of a COVID-19-positive occupant. RESULTS: All 8 nursing homes had wastewater samples positive for SARS-CoV-2 and COVID-19-positive occupants. The sensitivity of wastewater surveillance for early warning of COVID-19-positive residents was 60% (3/5) and for COVID-19-positive employees was 46% (13/28). CONCLUSIONS: Wastewater surveillance may provide additional information for reinforcing infection control practices and lead to preventing transmission in a setting with high-risk residents. The low sensitivity for early warning in this real-world pilot highlights limitations and insights for applicability in buildings.


Assuntos
COVID-19 , Casas de Saúde , SARS-CoV-2 , Águas Residuárias , Humanos , COVID-19/prevenção & controle , COVID-19/epidemiologia , COVID-19/diagnóstico , COVID-19/transmissão , Projetos Piloto , Águas Residuárias/virologia , SARS-CoV-2/isolamento & purificação , Estados Unidos/epidemiologia
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