Necropolis: Survival (A Shadow Wars Companion Trilogy)
by S. A. Lusher
This is a trilogy of novellas that serve as companion prequels to Necropolis, the first book in The Shadow Wars series.
In the far future, on an isolated mining world called Dis, an unknown virus rages out of control, mutating all it touches into mindless horrors. With the death toll in the millions and communications cut off, it becomes increasingly unlikely that anyone will make it out alive...