The first infected soldier's name Byrdflough is a pun on the infamous "bird flu" epidemic.
The story was allegedly inspired by Eugène Ionesco's allegorical play "Rhinoceros", in which citizens of a small French village inexplicably turn into the titular animals one by one. As a nod to this literary source, Robert Englund's character is named "Ian Essko".
Various crew members appear as extras in the strip club.
Shot in only eighteen days.
When the doctor at the start of the film is looking at the zombies, he says "behold a pale horse". This is a line from the book of the Revelation, also spoken in the Johnny Cash song "The Man Comes Around", which is used at the start of another zombie film, L'alba dei morti viventi (2004).