vaccinated, so we protect our kids. >> reporter: described as covid on steroids, the delta variant is fueling the next wave of cases in the u.s. experts say if enough people get vaccinated, there won't be a surge. lester >> a reminder, we are not done with this yet. thanks you can make a plan for when and where to get vaccinated visit plan your vaccine.com for more. in 60 seconds, hundreds of flights cancelled, thousands of passengers stranded as airlines struggle to meet surging demand. and the major change to a tax benefit so many families count on.