The primers only amplify genetic material from the virus, so it is unlikely a sample will be positive if viral RNA is not present. Coronavirus COVID test report: What is Ct value? If the test is positive, patients should undergo a repeat five-day isolation period, according to recommended guidelines. How to Interpret Your Take Home Antigen Test Kit Results if you are using a nasal swab, blow your nose before collecting the sample . What does a positive Covid test look like? How to read a lateral flow ... Symptoms: Feeling sick is the most urgent reason to get tested. They also could . In contrast, antigen tests can be run in a lab or doctor's office in about . Nausea or vomiting. A line next to the 'C' on the test simply means the test has worked, with the C standing for 'control', while a line next to the 'T' (test) indicates a positive Covid reading. Rich Quelch, of pharmaceutical experts Origin, explained: 'After completing a lateral flow test, your result will appear within 30 minutes. The difference shading of the positive result on antigen test could mean a whole group of things. The C stands for "control" and the T stands for "test". That line stands for control and means the virus wasn't detected, while the other indicator is "T" for test. If the area under the "T," or test section, has no line at all, that means it's negative for COVID-19. A lateral flow test result is interpreted by the two letters on the device where the swap sample is dripped on to. This result would suggest that you are currently infected with COVID-19. Tests are self-administered at home using a simple shallow nasal swab. Does that mean anything? BD Veritor™ At -Home COVID-19 Test Swabbing and waiting for those little lines to come up has become a regular act for many. Kit configured for testing anterior nasal swab specimens, processed, and