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 ...

As more Americans get tested for the new coronavirus and the disease it causes, COVID-19, they’re discovering the test involves a deep nasal swab that can be uncomfortable. Called a nasopharyngeal ...

“Cortisol sampling is notoriously difficult, as levels of the hormone can fluctuate, so a sample might not be an accurate reflection of a person’s chronic cortisol levels,” Dr. Andres Herane-Vives, ...

When it comes to food safety, being able to detect pathogens in food production areas is crucial. Although swabbing machinery, hard surfaces and other environmental elements has served as a well ...

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 ...