coming and gawk from all states put knee a high-risk work category. what do you think about the cdc guidance on this? it's been confusing for people. lots of folks who may be eligible but didn't feel like they should necessarily. does the cdc, in your view, as doctor, does the administration need to come out and say, if you're six months out, go get a third shot? >> they have said that now. you know, the problem right now is medicine is messy. long as i've been doing this the way we treat strokes, treat heart attacks, many diseases have changed. people don't see that happening. it happens behind the scenes. unfortunately under the bright spotlight of daily news and facebook and fox news putting out disinformation, unfortunately, this is all playing out in realtime for the public to consume. so it can become confusing. doing this long enough you're used to medicine changing like this and you adapt to the changes. i believe they're coming out with one voice saying 18 or over more than 6 months get a booster. >> doctor, one more for you and