♪ coronavirus hospitalizations in the united states are now topping 100,000, the first time since january in the early weeks of vaccine rollout that the u.s. has seen these kinds of numbers. florida and texas accounting for nearly one third of all hospitalizations as the delta variant is just tearing through the unvaccinated population. we do want to get to some viewer questions. you have a lot of good ones out there on these vaccines and the booster shots. so to answer those, let's bring in cnn chief medical correspondent dr. sanjay gupta. i love doing this with you, sanjay, because these are the real questions. good morning. that people have. and first, gary from virginia says this, he says i am fully vaccinated as of may 2021. i don't feel protected anymore. maybe you can address that. and want the booster sooner than later. are the original vaccinations