- 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
This virulent species of space-dwelling microbe is found inside grains of interstellar dust. It can drift in a dormant state for millions of years before infecting a host and causing a rather nasty cold.