The world was plunged into chaos following an accident at a bio-weapon research facility. 100% of the earth's population has been infected. There is an antidote that blocks infection from the airborne strain of the virus, but the effect is temporary.

The world was plunged into chaos following an accident at a bio-weapon research facility. 100% of the earth's population has been infected. There is an antidote that blocks infection from the airborne strain of the virus, but the effect is temporary.