alien brought pandemic theme

Aliens from outer space bring with then an infectious disease that threatens life on your planet.

Examples

The plant-like Phylosians were brought to the brink of extinction by an alien brought pandemic in tas1x07 "The Infinite Vulcan".

9 total · 1 choice · 5 major · 3 minor

StoryLevelMotivation
tas2x04 choice The Dramians wrongly held Dr. McCoy responsible for, inadvertently or otherwise, having unleashed a deadly plague on them.
ds94x24 major The Jem’Hadar had deliberately infected the Teplan people with a contagious disease, known as the “blight”, as a punishment for defying Dominion rule. This act resulted in the effective collapse of the Teplan civilization.
movie: The Wild Blue Yonder (2005) major A team of astronauts were sent on a mission to find a new home for humanity after scientists mistakenly reasoned that a deadly alien disease had started to proliferate around the Earth.
movie: Undead (2003) major A revelation of the story is that aliens were working to contain the spread of a meteor-brought contagion that turns people into zombies.
rbt1985e4x07 major Spender deduced that a prior mission to Mars had inadvertently transmitted the chicken pox virus to the native inhabitants, resulting in their extinction.
tas1x07 major Dr. Stavos Keniclius had carried with him to the Phylosian home world a seemingly mild disease that, once unleashed, spread among the Phylosians and drove them nearly to extinction.
bbf2x18 minor The Markab caused quite a commotion by carrying with them to Babylon 5 a contagious disease with a 100% lethality rate.
ent3x03 minor Tret explained how a virus genetically engineered by the Loque'eque would wipe out his civilization, if the virus ever made it to their planet.
movie: Babylon 5: A Call to Arms (1999) minor The Drakh contaminated Earth with a biogenic agent that would kill all life on Earth inside of five years unless a cure was found.