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From there, you should know what your results actually mean, including a faint positive line, and when to take another test or get a more sensitive COVID-19 test from your doctor to clear things up.
Even if it is faint, a positive line result on a rapid antigen COVID-19 test indicates that you are sick and likely contagious. For those who are recovering, the opaqueness of the results window ...
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 ...
With Covid on the rise once again, you may find yourself reaching for an at-home test for the first time in months.. Covid activity is picking up, with hospitalizations increasing in recent weeks ...
The antigen test checks for a protein on the virus and needs a certain amount of the virus to show a positive result. It typically turns negative within five to 14 days after infection."
COVID-19 rapid antigen tests (RATs) have been widely used for diagnosis of COVID-19. The World Health Organization (WHO) COVID-19 Case Definition states that a person with a positive RAT (also known as an antigen rapid diagnostic test or Antigen-RDT) can be considered a "confirmed case of SARS-CoV-2 infection" in two ways. [10]
A false positive Covid-19 test result can happen, but it’s rare, says Brian Labus, Ph.D., M.P.H., assistant professor at the University of Nevada Las Vegas School of Public Health.
If you test positive for COVID-19 on a rapid antigen test, you should trust that result. “If it actually is positive, that really does indicate that you are infectious and that your risk of ...