it's the most dominant variant in our country. you do get breakthrough infections of vaccinated people where in general they are mild infections. but the breakthrough rate will be higher than with delta. >> dr. anthony fauci warning americans to expect more of those breakthrough infections, but his biggest concern? the millions of americans who choose to still be unvaccinated. and i want you to look at this image right now. see that? that is not from the worst of the pandemic last year. that right there is from today. long testing lines in miami, miami, florida, the state which has a governor who has been fighting against the vaccine and mask mandates. back with us now to discuss, dr. vin gupta. he's a critical care pulmonologist and he's also at the institute for health merics and evaluation.