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The question quickly arose whether existing rapid antigen tests could detect newly emerging variants. Using clinical samples obtained from diagnostic labs throughout the U.S. from 2020 to 2023, the ...

UMass Chan Medical School researchers have documented a phenomenon that had confounded clinicians: Some people persistently test positive for SARS-CoV-2, the virus that causes COVID-19, on rapid home ...

Kroger Health announced Feb. 16 plans to offer the smartphone-enabled, at-home Gauss COVID-19 Rapid Antigen Test Kit nationwide, expanding the company's existing portfolio of in-clinic and ...

COVID cases may no longer dominate headlines, but the virus is still circulating — and these rapid tests can help you stay ...

The potential for IgM cross-reactivity with rheumatoid factor–positive serum samples was observed in blood tests used to detect IgM SARS-CoV-2 by means of gold immunochromatographic and enzyme-linked ...

A scratchy, sore throat, a relentless fever, a pounding head and a nasty cough – these symptoms all scream upper respiratory illness. But which one? Now, at-home rapid tests can simultaneously ...

The Food and Drug Administration is making it easier for people to simultaneously test themselves for COVID-19 and the flu at home. The agency this week authorized the Healgen Scientific's Rapid Check ...

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The Food and Drug Administration has authorized emergency use of the first antigen coronavirus test, which produces results within minutes and is relatively cheap to make, according to the agency. The ...

It seems easy enough to take a COVID-19 test at home. But what if your results aren't so simple to interpret? If you get just a faint line, does that mean you're actually positive for COVID? I know ...