Moderna CEO talks Covid vaccine for new South African variant

CNBC's Meg Tirrell talks to Moderna CEO Stéphane Bancel about his company's plans to test a booster-specific vaccine for an NIH study. With CNBC's Melissa Lee and the Fast Money traders, Tim Seymour, Guy Adami, Dan Nathan and Karen Finerman.
Wed, Feb 24 20216:00 PM EST