PITTSBURGH — A method of testing for COVID-19 is being called a potential game-changer in the fight against the virus. Experts say it could speed up the entire process and cut down on backlogs. Quest ...

Officials in Wuhan tested 9 million people for the coronavirus. Batch testing, where samples are pooled together, could cut costs and save time. It’s only recommended for populations where there are ...

Richard Holden does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...