Overdose prevention app available across Calgary – August 31, 2021 August 31, 2021 The Digital Overdose Response System (DORS), a mobile app designed to help Albertans using opioids and other substances while alone in their homes, is now available to everyone in the Calgary area. Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window) Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)