CDC: Wastewater surveillance can provide an early warning of COVID-19’s spread in communities.

National Wastewater Surveillance System (NWSS)

A new public health tool to understand COVID-19’s spread in a community.

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.

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SOURCE: https://www.cdc.gov/healthywater/surveillance/wastewater-surveillance/wastewater-surveillance.html; Content source: Centers for Disease Control and Prevention, National Center for Emerging and Zoonotic Infectious Diseases (NCEZID), Division of Foodborne, Waterborne, and Environmental Diseases (DFWED)

SARS-CoV-2 RNA Levels in Wastewater in the United States

Maps, charts, and data provided by CDC, updated by 8pm ET. Represents all wastewater data submitted directly to CDC’s National Wastewater Surveillance System’s DCIPHER platform, subject to suppression criteria described in Footnotes.

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SOURCE: https://covid.cdc.gov/covid-data-tracker/#wastewater-surveillance; Content source: Centers for Disease Control and Prevention, National Center for Emerging and Zoonotic Infectious Diseases (NCEZID), Division of Foodborne, Waterborne, and Environmental Diseases (DFWED)