Pfizer reports that its three-dose Covid-19 vaccine for kids under age 5 has met its goal in clinical trials. CNBC’s Meg Tirrell joins ‘Squawk Box’ to break down the details.
Pfizer reports that its three-dose Covid-19 vaccine for kids under age 5 has met its goal in clinical trials. CNBC’s Meg Tirrell joins ‘Squawk Box’ to break down the details.