Rapid antigen tests for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are effective tools for the diagnosis of acute infection, particularly when used serially. 1 The percentage of ...

A false positive result is possible with a rapid COVID-19 test. It happens when a person does not have COVID-19 but still tests positive for the disease. People can use a rapid COVID-19 test at home ...

Here’s what we know so far about the omicron variant. PREVIOUS REPORTING: Earlier this month, the White House announced that it would invest $1 billion to make more at-home COVID-19 tests available to ...

More rapid coronavirus tests are now available North Carolina, delivering results in minutes, not days. Doctors at Avance Primary Care said they have plenty of the antigen rapid tests, which yield ...

Peter is a writer and editor for the CNET How-To team. He has been covering technology, software, finance, sports and video games since working for @Home Network and Excite in the 1990s. Peter managed ...

These days, many people use at-home COVID-19 tests when they feel ill, rather than going out to get tested by a professional. (That’s when they bother to test at all.) But for all their convenience, ...