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: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Email a link to a friend (Opens in new window) Email Print (Opens in new window) Print Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Email a link to a friend (Opens in new window) Email Print (Opens in new window) Print