Self-collected saliva and deep nasal swabs collected by healthcare providers are equally effective for detecting SARS-CoV-2, the virus that causes COVID-19, according to a new study conducted by ARUP ...

We're now pretty used to swabbing our nose to test for COVID when we have a scratchy throat or new cough. But should we also be using our rapid antigen test (RAT) to swab our throat, as some social ...