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Guide for at-home COVID-19 self-testing and repeat testing to know when to test, how many times, what your test results mean, and what you should do next.
28 paź 2021 · If your antigen test result reveals a letter C — you're in the clear. That line stands for control and means the virus wasn't detected, while the other indicator is "T" for test.
Interpreting the result of a test for covid-19 depends on two things: the accuracy of the test, and the pre-test probability or estimated risk of disease before testing. A positive RT-PCR test for covid-19 test has more weight than a negative test because of the test’s high specificity but moderate sensitivity.
This page will help you read your COVID-19 test kit results accurately. COVID-19 antigen tests are designed for quickly diagnosing active infection by detecting a protein antigen of the SARS-CoV-2 virus (the virus that causes COVID-19.) *Test kits may not be resold.
What should you do if you get a positive self-test result? If you have symptoms seek advice from your health worker on whether you need treatment or care, especially if you are older, have an existing health condition, or have not been vaccinated against COVID-19.
29 sie 2024 · Positive viral test results indicate current infection and the person with COVID-19 should take steps to prevent spreading COVID-19 to others. Negative viral test results mean the test did not detect the virus, but this doesn't rule out that the person could have an infection.
This Viewpoint describes how to interpret 2 types of diagnostic tests commonly in use for SARS-CoV-2 infections—reverse transcriptase–polymerase chain reaction (RT-PCR) and IgM and IgG enzyme-linked immunosorbent assay (ELISA)—and how the results may vary over time .
