community is prepared. over the next week or two we'll have answers to these questions. >> do you think we're doing enough testing in the united states to find out if this variant is here, and if so, how widespread it is? >> unfortunately, caitlyn, we've under performed in terms of genomic testing so far. we're doing better than before but we're not quite at that level. no, i think it's quite possible that the omicron variant is here, we haven't picked it up yet. i think if we can pick up the pace of genomic sequencing, hopefully we'll identify it soon. >> the cdc says no confirmed cases but they are still trying to figure that out and examining more test samples. dr. peter hotez, thank you for joining us tonight. >> thank you. coming up in the "cnn newsroom." a moving moment to remember the waukesha christmas tragedy victims. also ahead, a blockbuster