Coronavirus Cases Level Off, But CDC Says It's Not Time to Relax Yet

Watch VideoReports of new COVID-19 infections are leveling off. But the CDC says it's no time to relax - because of threats from new mutations of the virus.

There are more than 28 million cases and 510,000 deaths in the U.S. now, with the past week showing a 29 percent decrease in daily infections compared to two weeks...