Returner virus

This article has a separate continuity.
This article is in a separate continuity, which is related to . Be sure that your contributions to this article reflect the characters and events specific to this continuity only.

After the Returners escape with zip pods to stowaway on several ships in the Fleet, over three-quarters of the Fleet's population are infected with a virus that leaves the victim extremely lethargic to the point of exhaustion (Battlestar Galactica 2).