director rochelle walensky's desk for the final okay. those eligible could get their boosters as soon as this weekend. >> reporter: decision day the cdc vaccine advisers set to vote this hour on whether to recommend covid vaccine booster shots from moderna and johnson & johnson and who should get them after the fda authorized emergency use. if the cdc panel and the cdc director sign off, people could start getting the additional shots within days >> i think there is growing recognition that the vaccines we have are excellent but they'll provide you with even better protection and longer lasting protection if you were to get a booster dose. >> reporter: the cdc also expected to recommend mixing and matching of vaccines meaning people could get a booster dose of any of the three approved vaccines after the fda okay'd it. >> the mix and match really gives a good deal of flexibility to people in whatever it is that they want to choose. >> reporter: this as new data