Gamorrean Mumps was a disease that was prevalent in the galaxy by the time of the Galactic War between the Sith Empire and the Galactic Republic. While considering creating his own virus in order to cure it and therefore become famous, the xenopathologist and combat medic Archiban Kimble—better known as Doc—contemplated using a combination of Pig-lizard Flu and a strain of Gamorrean Mumps as a starting point for his experiments.