Decode Genetics helped Iceland test more than 10% of its population, CEO says it should be even easier in the US

Kari Stefansson, Decode Genetics CEO, and CNBC's Meg Tirrell join 'Closing Bell' to discuss how the company helped Iceland test the country's population for coronavirus, why he says it should be even easier to do this in the U.S., and the response in the U.S.