Health experts recommend self-isolating for at least 5 days if they test positive for COVID-19. 'Bassam is going to call': Brothers 4 Life leader allegedly used lawyer as go-between in drug ring, Alleged gunman accused of holding up Nick Kyrgios's mother and stealing his Telsa refused bail, Teen loses appeal against sentence for hit-and-run killing of Queensland couple and their unborn baby, Chemical bomber who stabbed man out walking dog not criminally responsible for murder, 'Do the humane thing': Folbigg's legal team seeks early parole or pardon for convicted killer, Endurance swimmer known as 'King of the Channel' dies during triathlon. So, to get the most out of your RAT, do the following: Time your test dont perform within 48 hours of exposure to Covid and preferably wait or repeat five to seven days after exposure. Things to keep in mind with rapid antigen tests: The COVID-19 Antigen Rapid Test is a rapid membrane-based lateral flow immunoassay for the qualitative detection of SARS-CoV-2 antigens in human nasopharyngeal swab specimens. He has undertaken a RAT and has a positive result. Potential for false positive results with antigen tests for rapid detection of SARS-CoV-2 - Letter to clinical laboratory staff and health care providers. A negative result indicates that the detection threshold of SARS-CoV-2 antigens in the sample has not been reached. img#wpstats{display:none} If your result comes back positive, you must report this test result to the NHS. 'gtm.start': Negative: One line on control (C). /*