New research suggests Omicron may be easier to detect in saliva than nasal samples. Some experts recommend swabbing your throat then your nose for a COVID-19 rapid test, even if the test doesn't say ...

Antigen-detecting rapid diagnostic tests (Ag-RDTs) play a significant role in severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) testing. Most Ag-RDTs currently used require nasopharyngeal ...

Sputum sampling was found to be a valuable method for diagnosing and monitoring patients with coronavirus disease 2019 (COVID-19), according to a recent systematic review and meta-analysis published ...

Covid-19 testing has become more and more accessible, in pharmacies, doctors’ offices, urgent cares, and pop-up testing sites throughout the country. But the methods of obtaining the sample of ...

Long Beach lifeguard Jeremy Rocha gives out a COVID-19 test kit at a drive-thru testing site at Long Beach's Jordan High School on April 18. It's one of 21 sites in Southern California where people ...

Lancing a finger elicits minimal pain in humans and is applied routinely to obtain small volumes of blood for clinical diagnostics. A modified lancet bleeding method and several blood sampling ...