Oregon health officials now rely on wastewater testing to get a better picture of Covid spread
        By AMELIA TEMPLETON/Oregon Public Broadcasting Last month, a new COVID-19 variant from the omicron family spread across Oregon, causing a seventh wave of infections. On paper, this seventh wave hasn’t looked particularly impressive, peaking in late May at about 1,500 new cases reported per day. But data from sewage samples collected at wastewater treatment plants across the state suggests that    
    
        
    
        
            
                            
                            
                            
















