cnbc.com's leslie josephs is looking at airlines gearing up for a busier season.ma mody is crunching the numbers on why airbnb might not be the most costly travel option >> meeting tirrell, let's start with you >> we were hoping that the decline would continue, but unfortunately it plateaued and has started to tick up a little bit nationally if you look at the numbers, they're up about 11%, this is daily cases, over the past two weeks. we are now averaging more than 80,000 cases per day here in the u.s. in terms of deaths, we are averaging more than 1,100 per day in the united states now, regionally this is really different. in the south, of course, they saw that huge peak and it has come down a lot, so transmission is a lot lower there, but you are really seeing states in the midwest like minnesota starting to get hit really hard we've heard about colorado, of course, and worries about hospital capacity there. the governor urging everybody over 18 who is at least six months out from their pfizer or moderna vaccines to go get a booster. so there are concerns mount