*'''Laboratory Outbreak''' - Add a [[Diagnostic Lab]] to a [[Hospital]] and have 15 Sims die in a day to gain access to the Zombie Attack disaster!
*A Zombie Outbreak is generally usually caused by too many germs in your city , too much [[Ground Pollution|ground pollution]] and how many ill people you havepoor [[health|healthcare]].*The amount of damage they cause vary,sometimes you lose a few hundred people Sims while other times you could lose thousands.