New Models for Drug Development-Healthy Returns

It is said that necessity is the mother of invention. As pharmaceutical companies are using new technologies and processes to address the global pandemic, and regulatory agencies are fast-tracking approvals and trials, are we moving into a new era of drug development? CNBC's Meg Tirrell speaks with Stéphane Bancel, CEO, Moderna and Leonard Schleifer, Founder and CEO, Regeneron, at CNBC's Healthy Returns Virtual Summit.