- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek Generations
A highly contagious disease, yet safely treated in Sickbay thanks to a superior air filtration system. The threat of this disease caused the guardian of the Daled IV dauphin to request the destruction of the individual infected.