deaths all health experts point to the vaccine. >> if we can add children to that mix, we can get our numbers way up and hopefully prevent anymore variants coming. >> reporter: but pfizer officials will not only have to convince fda advisers for emergency authorization use, ultimately it's up to convincing parent to get their kids the vaccine. about a third of parents in that age range say they would take a wait-and-see approach and another third of parents say they would let their kids get the vaccine right away. >> we know that 6 billion kids have had covid, over a million in the last six weeks. they can get it, they can spread it. >> reporter: so if the fda and the cdc authorize the vaccine, kids ages 5 to 11 could potentially be fully vaccinated by the winter holidays. ryan, kristi? >> nadia, thank you so much. so record numbers of workers have quit their jobs this year.