It is represented by a skull with two green stars on either side of it, and a light green circle in the background.
It can be achieved in the Living Dead Double EXP Weekend, Rumble Pit (currently approximately 5.91% chance of getting an Infection gametype on a Mythic map), and sometimes in the 7 on 7th Playlist.
- To infect Humans easily without getting killed, you have to rely on stealth. As the only easy way is to catch them off guard. Since the Humans' motion sensors are smaller than default ones, this is an advantage Zombies can take hold of.