|Kill an infected teammate with a headshot before they become a zombie in any mode.|
When a teammate becomes infected a purple Biohazard sign will appear next to their on screen name. Simply shoot them in the head before they turn into a zombie. The shotgun works well for this.
|Rate this achievement||Average Rating|
|You need to register before being able to post comments.|
|You need to log in or register to use MyAchievements.|
|You need to log in or register to rate games.|
User Score is based on 277 user ratings.