that in the next day or two from the cdc. reporter: potentially adding demand for tests that are already tough to get your hands on. and, stephanie, for kids who have returned to the classroom, what is being done to prevent outbreaks? reporter: well, lester, here in new york when one or more students in the same class test positive for covid, instead of quarantining the whole class, they will test them home with rapid tests. and anyone that tests negative can come in the next day, lester stephanie, thank you. just a short time ago, i spoke with dr. ashish jha dean of the brown university school of public health. i asked him if he thinks we re ultimately all going to be infected with this omicron variant. i don t think we re all going to be infected many americans are, but there is a lot we can do to protect ourselves. and my hope is that a vast majority of americans don t end up infected with this variant. is omicron going to push delta out of the picture? and would that