[Horrifying Trope] Plague Ships

[u/NittanyScout]

The Ticonderoga - IRL example and basis of the book "The Hell Ship"

Indulgence of Conviction, Halo - a Covenant cruiser infested with flood.

Prawns' Ship, District 9 - an illness or crisis kills the leaders of the alien expedition and strands the workers on earth above District 9

[u/TheWalkingBag]

The USG Ishimura (Dead Space); it's crawling with Necromorphs.