Coronavirus FAQ: Testing confuses me! When to do it? Is 'negative' always reliable?
Coronavirus FAQ: Testing confuses me! And let's assume you're going to self-test because you don't have easy access to a facility that offers PCR tests and/or your insurance doesn't cover it and/or you don't want to wait extra time for results rather than an instant read off a do-it-yourself antigen test. That's because for rapid home tests to turn positive, you need a higher viral load: Those antigen tests don't amplify the sample as PCR tests do. Sponsor Message For those with prior immunity to the virus, "most people feel that a PCR is positive 24 hours sooner than the rapid," says Ida Bergstrom, an internal medicine physician at a medical and travel clinic that conducts testing in Washington, D.C.t. Insurance companies may not cover treatments for long COVID if you don't have documented evidence of a positive test, and you may not be able to apply for disability without it.




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