Freddy Sakazaki said this quote
“ 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. ”