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.
One virus. Millions dead. All that's left is hope. (Season 1)
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Did You Know?
Roger Lloyd Pack
is the only cast member to have acted in both the original series and the 21st Century remake. See more
A major plot point of Series 2 is that the scientists must reinfect Abby with the virus in order to extract her blood and make a cure. They even go so far as to say they don't know how her body will react as she is the only person to ever be infected twice. A person cannot be reinfected with an identical strain to a virus their body has already fought off once, because your body has developed antibodies to it. See more