immunocompromised. this should be part of the discussion. >> professor, how do you think the update will roll this out. do people go to the pharmacy and say they're immunocompromiseds? do they have to have a note from a doctor? will doctors give the third dose? how does it work? >> this is an important consideration and it's not been worked out yet. we have people who really need the additional immunization versus those who just want it. the world health organization put out a statement calling on a moratorium on booster doses for these people who don't have the . this is a third dose of a three-dose series that immune compromised people should get. we have to work this out. i think people are going back to their primary doctors so that