every death is so tragic. so many hundreds of thousands of death owes kurred after the vaccines became widely available. reporter: health officials are hoping full fda approval and cdc recommendation could help motivate the roughly 20% of eligible un-vax nate americans to finally get their shot. cdc s rochelle welinski signed off recommending the covid vaccine for adults. prior to friday s vote, the vaccine was only recommended by the cdc on an interim basis. i still have a sense of wonder on what s been accomplished here, that and a deep sense of gratitude. you know, we now have two vaccines against covid-19 that are fully licensed the u.s. reporter: the cdc released fresh data on the covid