judging by white house estimates. so that is what dr. anthony fauci is calling on. you will see president biden deliver a speech today saying the same, maybe some new regulations, of course, as they are tightening those testing restrictions for entering the united states, for international travelers. when it comes to those booster shots, dr. anthony fauci said also do not wait for an omicron-specific booster shot. if it ever comes to that and you ever need that, don't wait for that. go ahead and get a regular booster shot now. and, of course, the questions of whether or not there are further restrictions to come, more travel restrictions or the lifting of those travel restrictions remains to be seen. >> kaitlan collins, thank you for that. it is now time for three questions in three minutes. let's bring in dr. chris purnell. doctor, so nice to see you. omicron is here, we knew it was inevitable. the first case in california, somebody fully vaccinated returning from south africa. now that it's here, what are we