From Pathfinder Bestiary 2, which isn't enabled.

Sportlebore

HAZARD 7

Stealth +16 (expert)

Description A sportlebore hides amid the victuals on a plate of food or within a pack of trail rations.

Disable A creature that notices the sportlebore can remove it from the food it is hidden within automatically as an Interact action.

Mimic Food

Trigger A creature eats food the sportlebore is hidden within

Effect The sportlebore rapidly multiplies in the host's stomach, exposing the host to sportlebore infestation

Sportlebore Infestation (disease)

Saving Throw DC 22 basic Fortitude

Stage 1 carrier with no ill effect (1 day)

Stage 2 Enfeebled 1 (1 hour)

Stage 3 Enfeebled 2 (1 hour)

Stage 4 4d6 bludgeoning damage (DC 25 basic Fortitude save) as the host painfully vomits out a sportlebore swarm and returns to stage 1

Pathfinder Bestiary 2OGL