In May, the agency authorized a triple testing kit for COVID-19, influenza A and B and RSV, but those results must still be processed at a lab. ![]() Food and Drug Administration has not approved any influenza tests for home-only use. The at-home combination Covid and flu test has been available in Canada since August 2022 and costs around 70 per test, according to Lucira Health’s website. The proteins usually targeted by COVID-19 and flu tests, respectively, “have nothing in common,” making a two-in-one antigen test possible. It’s common for antigen tests to check for multiple things simultaneously, Neuman said in an email. Specificity refers to ensuring the tests provide positive results for the given virus, and not for samples from uninfected people or those infected with a different virus. Thomas Denny, a professor of medicine and chief operating officer of Duke University’s Human Vaccine Institute, said rapid antigen tests are developed by using a “recombinant protein” that mimics a specific virus.īefore such tests are authorized for use, they are measured for sensitivity and specificity, Denny said. Get tested again if symptoms appear.The test, sold under the name Fanttest, has been approved by the agency that regulates medical therapies for use in Australia, but it is not available in the U.S.
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