Dr. Martin Shafer and Dr. Adelaide Roguet (yellow and blue shirt) explain the WSLH’s wastewater surveillance program to Dr. Cohen (right corner) and her aide Casey Garay. The CDC recently named the Wisconsin Wastewater Surveillance Program a National Center of Excellence for wastewater surveillance within the National Wastewater Surveillance System (NWSS). Wisconsin joins just three other CDC NWSS Centers of Excellence in the country.