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National Wastewater Surveillance System (NWSS) : a new public health tool to understand COVID-19's spread in a community
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February 4, 2022
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Description:In response to the COVID-19 pandemic, CDC launched the National Wastewater Surveillance System (NWSS) in September 2020. CDC developed NWSS to coordinate and build the nation’s capacity to track the presence of SARS-CoV-2, the virus that causes COVID-19, in wastewater samples collected across the country.
CDC’s NWSS works with health departments to track SARS-CoV-2 levels in wastewater so communities can act quickly to prevent the spread of COVID-19. NWSS is transforming independent local efforts into a robust, sustainable national surveillance system.
Wastewater surveillance can provide an early warning of COVID-19’s spread in communities.
People infected with SARS-CoV-2 can shed the virus in their feces, even if they don’t have symptoms. The virus can then be detected in wastewater, enabling wastewater surveillance to capture presence of SARS-CoV-2 shed by people with and without symptoms. This allows wastewater surveillance to serve as an early warning that COVID-19 is spreading in a community. Once health departments are aware, communities can act quickly to prevent the spread of COVID-19. Data from wastewater testing support public health mitigation strategies by providing additional crucial information about the prevalence of COVID-19 in a community.
CS-328288 | 12/17/2021
328288_National_Wastewater_Surveillance_System_508.pdf
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Content Notes:How wastewater surveillance works -- Value of wastewater surveillance -- Building NWSS in your community.
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Pages in Document:1 unnumbered page
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