Doctors and scientists are debating whether a little-known measure in COVID testing should be used to distinguish who is infectious from who isn’t. The NFL adopted the practice, but laboratory professionals caution against its use.
Rae Ellen Bichell
Posted inBusiness & Technology
Déjà vu? Consumers scramble for COVID tests in hard-hit areas
As the nation confronts the Delta variant, many consumers are again facing delays getting tested. The problem appears most acute in the South and Midwest, where new infections are growing the fastest.

