A PCR (polymerase chain reaction) test is a type of molecular test that often requires a patient sample to be sent to a lab for analysis. Getting results can take anywhere from several hours to days after being received at the lab. A PCR test can sense low levels of viral genetic material (e.g., RNA), so these tests are usually highly sensitive, which means they are good at detecting a true positive result.
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An antigen test, or rapid antigen test, detects viral proteins and provides results in less than an hour. Antigen tests tend to be less sensitive than molecular tests, but you are able to get results more quickly.
You may purchase your own antigen test or PCR test to perform yourself at home. The at-home PCR test sample has to be mailed to a lab for analysis.
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LUCIRA® by Pfizer COVID-19 & Flu Home Test is the only over-the-counter product that puts 2-in-1 lab testing for both COVID-19 and Flu A/B in the palm of your hand. With LUCIRA® by Pfizer, you and your family can determine if your viral respiratory symptoms are caused by COVID-19 and/or the flu. After testing, always contact your healthcare provider about care or treatment.
Emergency Use Authorization
LUCIRA® by Pfizer COVID-19 & Flu Home Test has not been FDA cleared or approved but has been authorized for emergency use by FDA under an Emergency Use Authorization (EUA). It has been authorized only for the detection and differentiation of nucleic acid from SARS-CoV-2, influenza A, and influenza B, not for any other viruses or pathogens. The authorization is for the duration of the declaration that circumstances exist justifying the authorization of emergency use of in vitro diagnostics for detection and/or diagnosis of COVID-19 under Section 564(b)(1) of the Act, 21 U.S.C. § 360bbb-3(b)(1), unless the declaration is terminated or authorization is revoked sooner.
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