https://apnews.com/37595e41ddde3789796592bdcbfce2ee

Apple and Google are trying to get more U.S. states to adopt their phone-based approach for tracing and curbing the spread of the coronavirus by building more of the necessary technology directly into phone software.

That could make it much easier for people to get it on their phone even if their local public health agency hasn't built its own compatible app.