Zomborg

It is the year 2000, and the United Nations has established several quarantine zones around the world to stem the tide of an unknown virus pandemic. They are successful, but at a great cost.

Shortly after the containment rumor began to spread, there were tales of survivors trapped inside the quarantine zones, and of the cause of the virus, with footage of reanimated infected corpses roaming the street. Still, no solid evidence could be found.