Cranial Dispersion is a symptom combo exclusive to the Necroa Virus DLC which causes zombie brain matter to be propelled forcefully from open head wounds. Infectivity increases when this combo is in play. Cranial Elephantitis and the transmission Air 3 are required. The achievement Use your head is earned for forming the combo.
|Symptom Combos in Plague Inc. and Plague Inc: Evolved.|
|Assassin ▪ Bath Time ▪ Blind Genius ▪ Blood in the Air ▪ Boomer ▪ Carpe Jugulum ▪ Cranial Dispersion ▪ Discovery Channel ▪ Fly Magnet ▪ On The Naughty List ▪ Oops ▪ Profuse Bleeding ▪ Projectile Vomiting ▪ Public Defecation ▪ Red Ape Redemption ▪ Red Rain ▪ Rude Awakening ▪ Runner ▪ Spitter ▪ Swine Flu ▪ Tank ▪ Ultimate Christmas ▪ Vampire Bat ▪ Walking Contradiction ▪ Walking Dead ▪ Zombie Panic|