At-home COVID-19 tests have become commonplace for many households, but knowing when exactly to take a rapid test — or when to throw old ones out — isn't always straightforward. Here's what health ...

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 ...

We searched for evidence from studies known as 'clinical trials' that compared rapid TB tests with traditional methods of testing for TB, like smear microscopy and culture. We summarised the findings ...