For a long time, we viewed COVID testing as something you do for your own health, but home PCR testing represents a way you can easily protect those vulnerable people in your life without cutting them ...

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 ...

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 ...

Doctors sometimes use tests for respiratory syncytial virus (RSV) to make or confirm a diagnosis. Here’s a look at the different kinds. There are two main kinds of RSV tests: rapid (antigen) and ...

After exposure to COVID-19, most infections become detectable within 3–7 days. Testing too early can yield false negatives, ...

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 ...

Most people who contract COVID-19 likely won't experience symptoms for more than two weeks at most, but could test positive even after that. According to the Centers for Disease Control and Prevention ...