Here's what to know about the latest COVID strain - and how to tell if your at-home test is still good to use.

How to get a molecular/PCR test Outside of your home, your main options now are urgent care clinics and places that do testing for travel. In both cases, they’ll be expensive. In the case of urgent ...

The government is offering another round of free at-home COVID tests to Americans in time for the holiday season. As flu and RSV season kick into full swing, precautions meant to keep families healthy ...

Approximately 11 million American households have ordered their new round of free COVID-19 test kits, the White House says, over the first week since the Biden administration reopened requests. The ...

Researchers often call the polymerase chain reaction test – known as the PCR test – "the gold standard" for detecting the COVID-19 virus. The test is considered highly reliable and effective, and it ...

Both COVID cases and hospitalizations have climbed in recent weeks, leading to heightened concerns ahead of the usual cold and flu season. But this time around, the director of the Center's for ...

RSV is short for respiratory syncytial virus. It’s a virus that can cause respiratory infections in your lungs, nose, and throat. It’s best to test for RSV soon after your symptoms start. That’s ...

Polymerase chain reaction (PCR) test kits for COVID-19 use what’s known as gene cloning – not reproductive cloning – to detect the presence or absence of the SARS-CoV-2 virus, but social media posts ...