As it would turn out Olesen would be okay and minorly affected by the hit. After the game, he would end up speaking with the media and commenting on the incident. According to his comments, he hadn't realized what happened but felt lucky to be okay.
Johnson's passing led to major reform in the requirement of neck protection in several leagues throughout the world. As of now, such protection is not required in leagues like the SHL or the NHL. However, with how many incidents have occurred we could see this change soon.