Two types of COVID-19 tests, the rapid antigen test and the polymerase chain reaction (PCR) test, are available in the United States. The PCR typically relies on lab testing and is still considered ...

With new COVID cases in Florida on the rise, taking an easy-to-get rapid test can give you quick results. But the timing has become tricky. If you have COVID-19 symptoms, such as fever, cough, ...

For instance, if you only get a very faint line, it might be hard to know whether or not that means your results are positive. I know how that feels firsthand. After more than two years of evading ...

Boxes of iHealth COVID-19 antigen rapid test are distributed in January in Redondo Beach. (Jay L. Clendenin / Los Angeles Times) At-home coronavirus screening has become a way of life for many ...

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 ...

After a recent COVID-19 exposure, Dr. Christina Astley tested positive on an at-home test—but just barely. The line signifying a positive result was so faint that Astley, an endocrinologist at Boston ...

The BinaxNOW COVID-19 Antigen Self-Test is an FDA-approved at-home test kit. It can detect active infections with SARS-CoV-2, the virus that causes COVID-19, in ...

In early January, more than 700 Stanford University athletes took rapid Covid tests upon returning to the campus. Those who tested negative — and some who tested positive — were also given PCR tests.

Have your COVID-19 rapid tests expired? Don’t toss them yet. Federal regulators have extended some tests’ expiration dates, meaning certain offerings are now usable for months longer. The reason for ...

At-home coronavirus screening has become a way of life for many Californians, but some medical experts are now cautioning that one test may not be enough to definitively determine whether someone is ...