Covid-19 testing practices impacted public perception as much as they did clinical protocols — which now poses significant challenges as new variants emerge. For millions of Americans, the jarring ...

NEW YORK -- Should you take your COVID tests by swabbing your throat instead of your nostril? ABC's Chief Medical Correspondent Dr. Jen Ashton says it really depends on the test. Dr. Ashton joined ...

Adding a throat swab specimen to a nasal specimen significantly increased sensitivity of COVID-19 rapid antigen tests, whether self-collected or collected by a healthcare worker, a randomized clinical ...

Collection of specimens from the surface of the respiratory mucosa with nasopharyngeal swabs is a procedure used for the diagnosis of Covid-19 in adults and children. 1-4 The procedure is also ...

An Army-Harvard team of expert scientists have been performing “specialized testing” of industry built swab prototypes to ensure that new, alternative designs meet the requisite performance and ...