The story of this matter caused by epidemics and infections. People who die, zombies and fascinating that people exposed to an infected person bites become zombies as well. The people in this story called zombies that Walker's life is waiting.
The main body of this plague and infections. Make the dead turn into zombies. And people who get bitten by an infected person, it can become zombies too. In this regard, the zombies that Walker. The ambushes waiting
The main body of this caused by disease and infection. Make a dead man turned into zombies. And the people were being infected bite will become zombies as well. In this call zombies that Walker was to wait.