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578. Water, Water Everywhere — But You Have to Stop and Think

Freakonomics Radio

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Balancing Privacy and Public Health in Wastewater Testing

Wastewater testing is a valuable tool for health departments, but there are concerns about privacy and backlash from the public. Some states have tried to ban wastewater testing, but health departments resist this as the method is crucial for public health. While there is a significant amount of human DNA in wastewater, it is not measured to protect privacy. The focus is on detecting SARS-CoV-2 and its variants, and any incidental human DNA is filtered out using a 'human reed scrubber' before analysis.

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