a few years ago a parasitic infection was discovered. It infects humans turning them into blood zombies. It spreaded with spores and by the zombies stinging people with stingers embedded into their hands. Everyone was scared until an infected was interviewed. Turns out the infection loves humans and infects them too protect them because they know most struggle. An antidote which temporarily freed the victim conformed it. Flash forward an infected zone was establish where the infection could stay.

you are a scientist collecting data in the zone when you see a someone. They were naked with red veins all over. As you try to sneak out they turn and see you. Block hollow eyes staring at you. They were infected

Infected: “hey. How are you doing”