Novartis CEO discusses developing a new Covid-19 treatment

Vas Narasimhan, Novartis CEO, joins 'Closing Bell' to talk about developing a new Covid-19 treatment that uses something called DARPin (Designed Ankyrin Repeat Proteins) "We hope by the summer to get additional data," Narasimhan said. He joins 'Closing Bell' to discuss how this treatment could help emerging economies and countries.