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Experts discuss what it might mean if you get a faint line on a home COVID-19 test, ... the positive line on an at-home rapid test "is showing the presence of targeted viral proteins," Omai Garner ...
Doctors generally agree that this means you have COVID-19. “A faint line on a COVID test means the test is positive,” says infectious disease expert Amesh A. Adalja, M.D., a senior scholar at ...
If your COVID-19 rapid test turns positive, but the line is faint, unfortunately it still means you have COVID. However, a re-test might be in your future.
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With positive Covid cases and hospitalizations up across the U.S., here’s what you should know about testing safely and accurately as new variants circulate. At-home Covid testing: When to test ...
A NASA illustration of a lateral flow assay. A lateral flow test (LFT), [1] is an assay also known as a lateral flow immunochromatographic test (ICT), or rapid test.It is a simple device intended to detect the presence of a target substance in a liquid sample without the need for specialized and costly equipment.
The false positive rate is equal to the significance level. The specificity of the test is equal to 1 minus the false positive rate. In statistical hypothesis testing, this fraction is given the Greek letter α, and 1 − α is defined as the specificity of the test. Increasing the specificity of the test lowers the probability of type I errors ...
The FDA has a list online of authorized home COVID-19 tests, along with links to “updated expiration dates” so you can check to see if your test’s expiration date has been extended.