In Australia, a PCR test is generally used to detect whether you are currently infected with COVID-19. How Do the COVID-19 Coronavirus Tests Work? - MedicineNet Rapid Antigen Test: The 'C' and 'T' Don't Stand For COVID and Totally Fine The two main reasons you might've gotten a false . A positive result happens when the SARS-CoV-2 primers match the DNA in the sample and the sequence is amplified, creating millions of copies. Antibody tests can also provide a false positive reading, meaning the test indicates you have antibodies from covid-19 when that's not the case. If that is the case, you might receive what is known as a false negative. It can spot the presence of genetic material from the SARS-CoV-2 coronavirus from a swab, usually done at the back of your nose and throat. On the other hand, it could mean that the virus hasn't reproduced enough to show up on the test. According to the experts, that person is most likely still carrying a . Twitter. Stay home, or isolate for five days, even if you are asymptomatic or your symptoms seem to be resolving. What does it mean if a person's rapid antigen test result comes back positive after five days of isolation due to Covid-19? What do the COVID-19 immunoglobulin test results mean? COVID-19 antigen tests are designed for the . This result would suggest that you are currently infected with COVID-19. In contrast, antigen tests can be run in a lab or doctor's office in about . FAQ: Testing for COVID-19 | MIT Medical Young people who are between 12 and 17 years old can use this test if an adult is watching. A stylized bird with an open mouth, tweeting. Understanding COVID-19 Test Results | Rush System Thus, a positive rapid test means that your swab is teeming with virus, and you are likely contagious.