A personal COVID-19 radar could be key to resuming daily life

PITTSBURGH — The ideal COVID-19 contact tracing app would precisely state on your phone’s screen the distance, down to the inch, of your proximity to someone who is infected or who has come in contact with someone infected, though without sharing your, or that person’s, personal information.

Essentially, it would create a COVID-19 radar for individual users.

It would allow much more nimbleness for schools to open, churches to conduct regular service, families to visit loved ones in hospitals, as well as open doors to museums, zoos, restaurants, and bars, not to mention the resumption of big family wedding celebrations or your child’s baseball, soccer, or basketball games.

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