Given the sensitivity, absolutely nothing. Seriously, a negative only means that the sample swab didn't have COVID on it. This test is not very useful unless yo

Given the sensitivity, absolutely nothing. Seriously, a negative only means that the sample swab didn't have COVID on it. This test is not very useful unless you get a positive. For context, my wife is a physician. Had a patient that turned out to be positive, test negative while in the hospital. A day later, he was intubated. While he was intubated, his original, outpatient, test from 11 days earlier came back positive.