Consumer Reports shows you how to get proof of your negative COVID-19 test if you need to document a recent negative test for work, travel, or school.

A Bay Area-based cyber security company is warning against purchasing fake COVID-19 PCR test results from people out to get your personal information.

Usually, it takes a couple of days for the lab to process a PCR test, while you can get your rapid test results in under 30 minutes.

Physicians should practice clinical judgment when treating patients who have a negative PCR test despite clear COVID-19 signs or symptoms and no alternative diagnosis, according to researchers ...

A Bay Area-based cyber security company is warning against purchasing fake COVID-19 PCR test results from people out to get your personal information.

You can exhibit COVID-19 symptoms yet test negative due to early infection, low viral load, or immune response. PCR testing ...

For any American wondering if they have Covid-19, there are two kinds of tests available: polymerase chain reaction (PCR) and rapid antigen (sometimes just called “rapid tests”). The two tests ...

If you have symptoms or need test results for an event, here's what you need to know about the different COVID-19 tests and their results.

Thinking of picking up a home COVID test? Get to know everything from how they work to when to use them and where to buy yours from.

COVID tests are in short supply, but it's still possible to find some, including for free. Here's what to look for, and how to get an accurate result.

Rapid antigen tests have found their way into homes across the country, allowing us to test for COVID-19 and get the results minutes later. But how do you know you're doing it right, and when ...