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Today's six, seven, eight, nine and ten. and the tests that are used. the antigen tests. don't really have a good predictive value as to whether or not you are transmitting. they have a good value early on. to say if you are infected. but saying five, six, seven days later, whether it's positive or negative. is not good. because we don't know any studies at all. an original fda approval of the test. was not for the purpose of determining whether multiple days following infection that you are able to transmit. for that reason, the cdc said, it was not necessary to have a test. because the risk ...

Recommends isolation time because it in half from 10 days to 5. could? the administration of focusing on business instead of science. >> what is it they will do? sound like this decision had as much to do with business and science. >> it had a lot to do with what we thought people would be able to tolerate. >> no testing requirements a return to work which has some airline and nurses unions in the move. doctor fauci says the rapid test might not tell the story. >> the antigen test don't have good predictive value as to whether you are transmitting. >> reporter: not all the state plan to follow...

Positive rapid antigen test or not, i agree with the admiral while the rapid antigen test has had a varying positive predictive value the ability whether or not it's positive or not with is someone positive by the nih saying it's not going to be as sensitive or not be able to predict a positive, i do think that's backtracking because of their lack of available tested i think rapid antigen tests are a way of coming out of this pandemic and allowing this virus be enitem enendemic. we need them now. >> a lot of schools are saying they want kids to get tested. probably their staff, too. are they g...

During the first five days of that period versus the second five days, most of the risk is segregated in those first five days. and so the risk is very, very low of transmitting, as you get into days 6, 7, 8, 9, and 10. and the tests that are used, the antigen tests, don't really have a good predictive value as to whether or not you're transmitting. they have a good value early on to say if you're infected. but 5, 6, 7, 8, 9 days later, whether it's positive or negative, we have no studies at all that have shown, and in fact the original fda approval of the test was not for the purpose of dete...

0 now, the white house repeatedly has warned russia over the last few weeks that a russian invasion of ukraine would have severe, severe diplomatic and economic consequences. what did administration official told politicaltratio official told politica will come in the midst of a, quote, moment of crisis between the two nations. we'll have a lot more on that coming up later in the show.ha but we start tonight with a moment of crisis of our own right here at home.a take a look at this map. this is a map tracking community transmission of covid across alt 50 states. blue and yellow there on the...