In a recent study posted to the Lancet preprint* server, researchers assessed the utility of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) rapid antigen testing (RAT) for patient triage ...

This decision, well within current norms for care, was nonetheless consequential: The president was forced to cancel a trip to advocate for legislation in support of the domestic semiconductor ...

Molecular tests are far superior to rapid antigen tests—and now you can get them for home use. Amanda Blum is a freelancer who writes about smart home technology, gardening, and food preservation.

BALTIMORE (WJZ) -- A new study by Johns Hopkins Medicine suggests rapid antigen testing is comparable in accuracy to PCR testing in children. Over a 7-month study in 2021, 1054 patients under the age ...

Assuming you can get your hands on a COVID-19 home test kit — they’ve been in high demand, thanks to the omicron variant — you probably have questions. Am I testing too early or late? Is this brand or ...

Corrections & Clarifications: An earlier version of this column incorrectly noted the number of at-home testing kits the federal government is planning to mail to homes. At-home COVID-19 tests are ...