world health organization says it remains dominant around the globe. have a listen. having a single person who had what would be considered a breakthrough infection because the person was fully vaccinated doesn t really tell you much at all because we have breakthrough infections with delta where people who have been vaccinated, fully vaccinated, very often, more often than not, they have mild illness. they don t go on to any serious consequence. from what we ve heard from our colleagues at ucsf in san francisco, that this person had mild symptoms and is actually improving. but it s only a single person, anderson, so you really can t make a broad jgeneral statement or extrapolation for what would go on with unvaccinated people or people who are boosted. so there s a lot still to be learned. dr. anthony fauci giving us more perspective on that first case in the united states. president joe biden will layout the strategy for fighting