as always, with a new variant, there are many things that we just cannot know at this early stage. but our scientists are learning more hour by hour. >> reporter: now, as you said, there are now confirmed cases inside the u.s. right now, but dr. fauci, other public health officials have all acknowledged it is possible that the omicron variant is already inside american borders and just hasn't been detected yet. it has been detected here in israel, in one traveler who recently returned from malawi, and the israeli government is reopening these dreaded so-called corona hotels. these are hotels where people who are returning from red list countries have to stay for ten days for two weeks. alex, i've stayed in these hotels. they are not fun, but it is a sign of how seriously the israeli government is trying to move to head off this new variant. >> yeah. trying to take matters and get