FDA approves Pfizer's RSV vaccine to protect babies from RSV

Pfizer (PFE) receives approval from the FDA on its vaccine for pregnant women to protect infants from RSV. Yahoo Finance Health Reporter Anjalee Khemlani explains the new vaccine and the outlook for future vaccine rollouts, while also commenting on Novavax's (NVAX) statements assuring its new vaccine protects against new COVID-19 variants.