Moderna CEO Stephane Bancel on melanoma treatment development: A big day for patients

Moderna CEO Stephane Bancel joins 'Squawk Box' to discuss new developments in the treatment for melanoma, after studies showed Moderna and Merck’s experimental cancer vaccine, when used in combination with Keytruda, reduced the risk of death or relapse in patients with the most deadly form of skin cancer after three years, the company's growth outlook, and more.