Can smartphone apps track COVID-19 without violating your privacy?

“We’re looking at probably some sort of automated technology-based contact tracing, I think, if we want to be realistic,” says Tyler Yasaka, a software engineer and junior specialist in otolaryngology at the University of California, Irvine School of Medicine. He and his colleagues are among many teams of researchers around the world who have developed mobile apps to track the spread of COVID-19.