Together, let’s slow the spread of COVID-19. Canada's COVID Alert app notifies you if someone you were near in the past 14 days tells the app they tested positive. COVID Alert uses Bluetooth to exchange random codes with nearby phones. It does not use or access any location data. COVID Alert works by determining how far away other phones are by the strength of their Bluetooth signal. Several times a day, COVID Alert checks a list of codes from people who tell the app they tested positive. You’ll get a notification if a code you received matches one of the...
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