Phage torpedo
The phage torpedo was a supposed form of torpedo developed by the Vidiians. Its namesake was the Vidiian disease known as the phage.

Reginald Barclay claimed the  had phage torpedoes, along with Borg interquadrantal warp drives and Hirogen hunting sensors, in order to trick the Ferengi into closing the geodesic fold in 2377. ()

Fictional weapons