Brainworm Rot Type B was a less lethal version of Brainworm Rot Type A; however, it could rapidly mutate into Type A if left unchecked. It was a subtype of the Brainrot Plague. The new strain of Type B was discovered c. 1 ABY to be thriving among creature lairs. Wol Cabasshite Ambassador Lurll spearheaded a campaign on Tatooine to kill off all infected animals, to prevent further spread. Like Brainworm Rot Type C, it is likely that this subtype malady originated on Neimoidia.