vaccinated. they don't want the white house to play in science, they do have to communicate in science. you see that every day in the press briefing and i'm sure the president will get questions about it today even though he's scheduled to talk about drug pricing. >> monica alba is posted outside the white house. we any there's a covid briefing in about 2 1/2 hours from now. we've got other news breaking this hour as we come on the air, four minutes ago, that hhs has this new vaccine for its workforce. talk to us about the new headlines coming out of the white house. >> reporter: it's notable because we're starting to see a pattern emerge here. hhs will require 25,000 of its health care workers to be vaccinated. this is not something where we're looking at to show proof of vaccination or submit to rigorous testing. this is going a step beyond that and saying you have to get the shots and show us, because these are health care workers.