These outbreaks can be detected earlier—and their severity lessened—by testing more people. o Quarantine can end after Day 7 if you do not have symptoms and if you test negative by PCR or antigen test after Day 5. o You should continue to monitor yourself for COVID symptoms through Day 14. o Mask wearing is especially important though Day 14, and should also continue beyond your quarantine period. How doctors are tackling COVID-19 if RT-PCR test is negative. A negative, non-reactive, or not detected result means the test did not detect antibodies against COVID-19 at the time of testing. Doctors are using a combination of methods to check if a person has COVID-19 even if the individual tests negative on the RT-PCR test. After your COVID-19 test, you will receive 2 results in your myUHN Patient Portal account: 1. The PCR test is the standard for diagnosing COVID-19. Clinical Info: NOT DETECTED Ordered Items SARS-CoV-2, NAA TESTS RESULT FLAG UNITS REFERENCE INTERVAL LAB SARS-CoV-2, NAA Not Detected Not Detected 01 This nucleic acid amplification test was developed and its performance characteristics determined by LabCorp Laboratories. COVID-19 Assessment: This contains information from your registration interview at the Toronto Western Assessment Centre. Without enough testing, the coronavirus spreads “silently”. This means that the test didn't detect the virus, even though you actually are infected with it. There's a chance that your COVID-19 diagnostic test could return a false-negative result. You risk unknowingly spreading the virus to others if you don't take proper precautions, such as following social distancing guidelines and wearing a face mask when appropriate. By the time severe cases begin to surge in hospitals, outbreaks are larger and much harder to control. 2. A new commercially available test called T-Detect has received emergency use authorization from the FDA. Nucleic acid amplification tests include RT-PCR and TMA. COVID-19 Virus Detection: This contains your test result. Interpretation of COVID-19 Test Results Updated: 3/18/20 Interpretation of COVID-19 Test Results Result Interpretation Clinician Action Steps Public Health Epidemiologist Positive Detected Contact patient with result and confirm continuation of home isolation. It’s been used from the early days of the pandemic, with the world having now reached a point where people can get tested with relative ease. This test is only authorized for the duration of time the declaration that circumstances exist justifying the authorization of the emergency use of in vitro diagnostic tests for detection of SARS-CoV-2 virus and/or diagnosis of COVID-19 infection under section 564(b)(1) of the Act, 21 U.S.C. But for testing to work, people need to get test results quickly. 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