Qi Control

"Move in!" Eric yelled, opening the door to the eighth floor of the skyscraper.

Half of the soldiers ran into the room and immediately grabbed desks and barricaded the reinforced steel door that led to the staircase on the bottom floor, swarming with zombies. Then they barricaded the doors to the room they were in.

Meanwhile, the clearout team was stunned, walking around.

"What… the hell?" Denzel asked in disbelief, "Aren't these fuckers supposed to stay alive forever?"

Instead of zombies, they found a couple of dozen corpses.

"I don't think so." Jackson said in a haze, "The sick are starving and injured outside. I'm guessing that the air kills the infections and keeps people alive, but it'll only last so long."

"Correct. Most of the sick are dead from starvation or injury." Aaron said, surprising everyone, "The living ones were minor cultivators before the last influx and turned. That's why they're stronger.