'The second wave has begun,' Vanderbilt infectious disease expert warns about coronavirus spikes

As coronavirus infections continue to rise in a number of states across the country some health experts are warning that the second wave of COVID-19 in the U.S. is already taking place.

“I think the second wave has begun,” William Schaffner, an infectious diseases expert and professor at Vanderbilt University Medical Center, told CNBC Monday.

“We are opening up across the country, but many, many people are not social distancing, many are not wearing their masks and those are the things that will contribute to coronavirus spreading,” Schaffner...