saying no to pfizer boosters for everyone else and it's a set back for the white house. doctor, thank you for joining us. appreciate it. yes vote for boosters 65 and up and health care workers and people at risk. why this decision and why not for everyone? >> well, don, it wasn't quite the decision i was expecting or hoping for. i would have taken an intermediate position between those two. here is why. we've been talking since the beginning of the year this was going to be a three-dose vaccine. we knew that because we gave the first two doses so close together and when you do that, you don't get long-term durable protection so it was a matter of time before we can expect a third immunization in order to give a really important boost in antibody responses, virus