The „5. IOC World Conference – Prevention of Injury and Illness in Sport“ took place from 16th to 18th March 2017 in Monaco. Since 2005 this conference has been organised by the International Olympic Committee. This year more than 1’200 participants attended. Prof Jiří Dvořák and Dr Mario Bizzini, both working at the Swiss Concussion Center, were invited as presenters and gave lecture on prevention of injury and concussion in football.