And it's the knowledge of being able to help others that Rule says propels the more than 110,000 blood donors nationwide to keep giving. Friday marked World Blood Donor Day and the NZ Blood Service used the day to appeal for the 55,000 further donors needed to come forward. Inside a building just off the campus' concourse, there is a steady stream of activity as the NZ Blood Service sets up a "military operation" for blood donations. Carlisle has given blood four times and has recently downloaded the NZ Blood Service app on to his phone, which alerts him each time his blood is used to save a life. MURRAY WILSON/STUFF PhD student Dan Carlisle, 24, has the NZ Blood Service app, which alerts him whenever his blood is used.

Source: Stuff June 14, 2019 18:00 UTC