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COVID-19 testing clinics around the country are closing, and federal funding for free clinical testing is drying up. But wastewater surveillance could step in to play a crucial role in keeping track of where the virus is and just how much is really circulating out there. In this episode, host Bonnie Petrie takes us to a wastewater treatment plant in Converse, Texas and talks to scientists trying to build a surveillance and sequencing program in South Texas.
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Scientists who track COVID-19 in wastewater say regular surveillance of the sewers could be an effective early warning system for new variants and potential surges.