N.H. is looking for more communities to help track COVID through wastewater

The New Hampshire Department of Health and Human Services is looking for more wastewater treatment plants to participate in a COVID data tracking project.

People infected with COVID can shed the virus in their feces. That means even if someone doesn't have symptoms, the virus can be detected in the wastewater — allowing public health officials to monitor its spread even when traditional testing is less reliable.

While wastewater data doesn’t show how many people in a given community have the virus, it illustrates changes in levels of COVID-19.

So far, 12 wastewater plants are participating in the state's tracking program. They include more densely populated areas like Manchester, and more rural areas of the state.

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