Zombies are no longer an issue already in dead rising. Just who is infected, is treated with the so-called antivirus Zombrex. This medication keeps the disease in check and let people live a normal life.
There is a large medical warehouse, which discusses the many people who are infected, in the middle of a small town in Oregon. But strangely enough the means no longer as well as earlier works. People need more of them all the time and finally the zombie virus developed even an immunity to the anti-virus.
Now abound on the streets of undead. The small film crew to chase Carter and Jordan trying to survive by any means. Even the news give the village long since lost.