out of five americans has received a shot. this as those $1,400 stimulus checks are starting to hit bank accounts. but despite the progress being made, there are concerns about the thousands of people who are traveling and attending spring break events across the country. masks and social distancing don t seem to be a priority and health officials are warning of the potential consequences, saying the next few weeks will be critical in determining if we ll see another surge. even though the numbers have gone down, over the last couple of weeks they ve plateaued. when you see a plateau at a level as high as 60,000 cases a day, that is a very vulnerable time to have a surge to go back up. we can avoid that if we continue to vaccinate people, get more and more protection without all of a sudden pulling back on public health measures. and many people are spending their spring breaks in florida. the state is seeing a rush of people despite health warnings. cnn s natasha chen is