Wastewater testing could help control COVID's spread. Why isn't it happening across America?

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.