Pfizer's CEO on Omicron, a Fourth Shot and 2022

Pfizer has sold and distributed billions of doses of its Covid-19 vaccine, generating an estimated $36 billion in sales last year. CEO Albert Bourla talks to The Journal about Omicron and how Pfizer is approaching the virus as we enter the third year of the pandemic. Learn more about your ad choices. Visit megaphone.fm/adchoices