The question quickly arose whether existing rapid antigen tests could detect newly emerging variants. Using clinical samples obtained from diagnostic labs throughout the U.S. from 2020 to 2023, the ...

A new biotechnology company in McKinney has ambitions to become the world's first fully integrated platform for polymerase chain reaction (PCR) testing - the same technology behind a common COVID-19 ...

Consumers who've ordered free home coronavirus tests through a federal website could be in for a surprise: they might get kits with expiration dates that passed months ago. But experts say you shouldn ...