We used a linear mixed-effects model to compare mean EMQ scores among participants before testing and after testing positive or negative for SARS-CoV-2 infection. Analyses were adjusted for ...

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Researchers have developed a device -- a breath test that uses a biosensor -- as a tool for use in doctors' offices and crowded public locations to quickly diagnose people infected with the virus that ...

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 ...

The arrival of SARS-CoV-2, the virus responsible for COVID-19, brought a batch of vocabulary into the public eye, from "fomite" to "social distancing." See our guide from 2020. And now there's a new ...