Negative Results Do Not Preclude Covid 19. A negative result does NOT mean. You do not usually need to self-isolate if you get a negative result.
The result is only a snapshot of the day you had the test and nothing. If you think a negative test result means you dont have coronavirus you could be wrong. For further information read guidance for people tested for COVID-19.
In other words at any given moment people with COVID-19 had at least a one in five chance of getting a false negative test result.
The test must be performed using a COVID-19 molecular polymerase chain reaction or PCR test and must be taken within 72 hours prior to the travellers scheduled departure to Canada. The test must be performed using a COVID-19 molecular polymerase chain reaction or PCR test and must be taken within 72 hours prior to the travellers scheduled departure to Canada. Negative results do not preclude 2019-nCov infection and should not be used as the sole basis for treatment or other patient management decisions the CDCs instructions for the test state. In another paper published in the New England Journal of Medicine researchers called for regular reviews of test accuracy to ensure effectiveness and also account for the potential that the virus may mutateToronto researchers from York University echoed a.