Doctors explain how to interpret your so-so test result.
, a professor and the chief of infectious diseases at the University at Buffalo in New York, agrees. “It’s sort of like when you take a pregnancy test,” he says. “A ‘little pregnant’ is the same as being a lot pregnant.”There are a few possible reasons. “The most conservative, careful interpretation is that you’re positive, but [the amount of virus in your body] is low,” saysIf you are recovering from COVID, a faint line means a low level of virus is.
work. These tests look for the presence of a fragment of SARS-CoV-2, the virus that causes COVID-19, usually by testing specimens from your nose via a swab.to quickly diagnose an active COVID-19 infection by detecting the nucleocapsid protein antigen of the SARS-CoV-2 virus. “The test detects the viral antigen that reacts to an antibody in that test cassette,” Dr. Russo says. But keep in mind that the home tests are very similar to home pregnancy tests, says Dr. Yancey.
If you want to be sure you’re positive, Dr. Schaffner suggests getting another COVID test—ideally from a different brand—and testing yourself again. If that’s positive, you have COVID-19, even if it’s a faint line again. If it’s negative? Wait a day and test yourself again.
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