understands it is not a substitute for the presidential guidelines that have already gone out and to be vasselot lee clear about that quick. well there was a test the 1st just didn't but there's a lot of evidence we're seeing experts are saying that it's a high number of these tests to be producing. false false negatives so the guy roche an amateur has put as many as one in 3 tests might be providing false negatives and i think maybe the exact would honestly and i cost of 0 with having 35 percent positives. us if that was true you would have already advised you that i did it 1st 66 percent positive so what i can tell you is the number of positive tests is tracking very closely with the number of cases diagnosed so i don't i will look into that i look at the roshan abbott numbers every night and they're trending exactly in the same way and that's important when you're validating data to really validate does this same site there was i'm looking between testing sites to see are there consistencies is there an anomaly. to make sure for what you just very specifically asked so i will go back and look at