An unknown virus pandemic kills more than 90% of the world's population. Those immune must strive to survive and overcome the difficulties of this new world order, hoping that the virus will... Read allAn unknown virus pandemic kills more than 90% of the world's population. Those immune must strive to survive and overcome the difficulties of this new world order, hoping that the virus will not mutate.An unknown virus pandemic kills more than 90% of the world's population. Those immune must strive to survive and overcome the difficulties of this new world order, hoping that the virus will not mutate.