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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.
"A faint positive line on a home test after recovering from COVID-19 symptoms is an indication of viral proteins being present — therefore, that person may be still contagious."
Serology test. Main article: Serology test. Also called an "antibody test" is used to determine if an individual had been infected with a virus in the past by testing for antibodies in the bloodstream. Seroprevalence. Main article: Seroprevalence. The number of people in which antibodies to a disease have been detected in a specific population.
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.
The US CDC's COVID-19 laboratory test kit. COVID-19 testing involves analyzing samples to assess the current or past presence of SARS-CoV-2, the virus that cases COVID-19 and is responsible for the COVID-19 pandemic. The two main types of tests detect either the presence of the virus or antibodies produced in response to infection.
Subtle but obvious errors were not CDC material such as "testing for Covid-19" (rather than for the virus that causes that illness). [ 51 ] In August 2020, the CDC lowered its recommendation for who should be tested, saying that people who have been exposed to the virus but are not showing symptoms "do not necessarily need a test".
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 ...
The test detects proteins from both SARS-CoV-2 (the virus that causes COVID-19) and influenza A and B (the viruses that causes flu). [95] This is the first over-the-counter (OTC) test that can detect influenza to be granted marketing authorization using a traditional premarket review pathway, which enables the test to be marketed in the absence ...