CNN Early Start With Christine Romans and Laura Jarrett December 31, 2021 10:05:00
For us. >> reporter: we see cases hitting their highest levels ever and there is a new warning from the cdc telling people they should avoid travel by cruise. the cdc raising the risk level of cruising to a four from a three. that is the highest risk level. we are citing an increase in cases aboard ships. they're saying that happened since omicron was first detected. >> when i got off my ship last week, i dreaded it, because i felt safer on the cruise ship than i do at the grocery store, theme parks, airplanes and hotels. >> excited, nervous, wondering how it's all going to play out. >> report...