COVID test results: Does a weak line mean you are positive? – Deseret News

If you take a quick test for COVID-19 at home and the line appears very weak, does that mean you have COVID? Here’s what we know.

Defining a line: The short answer is yes.

  • Omai Garner, associate clinical professor and director of clinical microbiology at UCLA Health, told.Today”Show that the line shows the presence of“ targeted viral proteins ”.
  • Any line on the COVID-19 test, even if it is barely visible, can mean that you have COVID-19 and are contagious.
  • During testing, COVID-19 proteins adhere to the line and show the tape, said Dr. Amy Mathers, associate professor of medicine and pathology and assistant director of clinical microbiology at the University of Virginia School of Medicine.Today”Show.
  • If the line appears on the test at all, it means that there is COVID-19 protein in your nose.
  • Garner says that the more viral proteins there are in your body, the darker the line on the test will be.
  • The Food and Drug Administration it also states that even a weak line on the test is an indicator of COVID-19.

Do you need to trust the test at home? Prior reporting from Deseret News states that one study showed that tests at home give results with only 64% accuracy.

  • If you are unsure of your test result at home, you can do a PCR test, which has about 84% sensitivity.

False negatives: The Deseret News also reports that false-negative tests for COVID-19 are more common than you think.

  • If you show symptoms but the test is still negative, doctors say it doesn’t mean you’re in a clean condition.
  • Even if you have a negative test, you can still be contagious – the viral load may not be strong enough to run the test, according to Deseret News. It can take up to five days to get a positive test after being exposed to the virus.

False positive results: Doctors say that false positive tests are very rare, only at a rate of 0.05%, Deseret News States.

  • If your test shows any signs of a positive result, you are more than likely to have COVID-19.


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