National Wastewater Surveillance System (NWSS)


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.

Data from wastewater testing are meant to complement existing COVID-19 surveillance systems by providing:

  • An efficient community sample
  • Data for communities where timely COVID-19 clinical testing is underused or unavailable
  • Data for different communities within a county

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3 thoughts on “National Wastewater Surveillance System (NWSS)

  1. What a sick joke. Now our poop carries the nonexistent “virus”.

    I guess they’ll try to mandate/market special underpants to sheeple so their farts don’t cause a scamdemic.

  2. Yep. Predicted it in 2008 with the fraud election: 5g “sensors” on waste water pipes to issue arrest warrants!!!
    Ammo up, they’re coming.

  3. jews are absolutely obsessed with poop & anuses. 99.9% of a jewish comedian’s repertoire involves either or both.

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