Former FDA chief Scott Gottlieb on the risk of asymptomic Covid-19 cases

A study out of China reports that people with asymptomatic Covid-19 is more prevalent than once thought, but the report also says that they are not contagious for as long as symptomatic people. Dr. Scott Gottlieb, member of the boards of Pfizer and biotech company Illumina and former FDA commissioner, joins "Squawk Box" to discuss the latest on the fight against Covid-19.