Explosive Pandemic-type zombies mostly spread the contagion through wounding or biting humans, and in that way, the increase their numbers. Because they multiply so quickly and explosively, they can destroy all human civilization in a very short time. For this reason, will refer to them as Explosive Pandemic-type zombies. The person responsible for Explosive Pandemic-type zombies is none other than George A Romero, who created them in 1968 Night of the Living Dead.

In America, they have this thing called a story cycle. When they're at war, they start doing fantasy and war-style entertainment. When fantasy gets big, they go through a recession, and horror starts gaining popularity. When horror gets popular, mystery starts gaining popularity. Then when mystery reaches its peak, science fiction starts gaining popularity. Then things get rough again, and we go back to Fantasy". This quote was taken from an interview from The Myth of Cthulhu: Dark Navigation.