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On Sunday October 25, the Colorado Department of Public Health and Environment (CDPHE) launched a statewide COVID-19 exposure notification system in partnership with Google and Apple. Coloradans should have received a notice on their Android or Apple phone with instructions on how to opt-in.

CO Exposure Notifications abides by existing statewide health safety protocols without compromising the privacy of Coloradans. When users enable this service, their smartphones share anonymous tokens with other users via the phone’s Bluetooth technology.

So say you’re grocery shopping with your smartphone in your pocket and end up spending several minutes in the produce dept.. Say others are shopping with their smartphones in their pockets too and also linger in the produce dept.. Your location, not your identity is tracked. Say one of them is a user who signed up for this notification tests positive for COVID-19 within a 14-day period and chooses to upload the results. Anyone who signed up and came in near contact to this person, will receive an alert of potential exposure.

Tokens are not associated with any phone number, name, location or IP address and change every 15 minutes to add an extra layer of anonymity. Click here to learn more.