On today's press conference, they talked about an screening tool app that Apple and the CDC have come together on, which is a free app you can download, and answer some questions regarding symptoms you might be having.
I know every time my throat itches, or when I sneeze, it runs through my mind, as I'm sure many people do. If you feel like you've been exposed to Covid in any way, you should download this free app, scroll through and answer the questions provided by the Center for Disease Control and Prevention, and at the end, it advises you on what you should do.
I did this already, and it took about 2 minutes at most.
For more info visit apple.com.