Rapid home antigen tests are still quite accurate but they may give a false negative result if used too early in the infection, so if you think you may have COVID, continue to test for up to 5 days after exposure or the onset of symptoms. And if you need a more ...
Do NOT open the test items until you are ready to start.Storing the test opencan lead tofalse positives(you can test positive without really having COVID). Are you taking the sample correctly? Credit:health.gov.au/PHLN/CDC 5. Taking the test too soon or too late after exposure Astudy,...