"The wastewater viral activity levels may indicate the risk of infection in an area," the CDC explains.

A summer COVID-19 wave has been surging across the United States since June and into fall, with high levels of viral activity still reported in wastewater across most states.Some key metrics to track ...

Like the flu and COVID, the symptoms of a cold are often coughing, a sore throat, tiredness and sometimes a fever. However, ...