In early January, more than 700 Stanford University athletes took rapid Covid tests upon returning to the campus. Those who tested negative — and some who tested positive — were also given PCR tests.

Rapid tests are not as sensitive, meaning it's possible for patients who are infected with COVID to receive a negative result. WASHINGTON -- President Joe Biden plans to announce on Tuesday that his ...

In many parts of the world, rapid COVID-19 testing is part of daily life. Despite the FDA emergency use authorization and the advocacy of many infectious disease and public health experts calling for ...