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A NUMBER of cases of tongue worm, Linguatula serrata, in stray dogs imported into the UK have been brought to our attention recently. Infected dogs may show a mucopurulent nasal discharge, epistaxis and sneezing, but infection may also be asymptomatic.
The adult parasite is an elongated tongue-shape with transverse striations and is found in the nasal cavities or sinuses of dogs, foxes and other canids. These animals are infected by the ingestion of L serrata nymphs in raw offal of infected intermediate hosts (sheep, goats and cattle, but also rabbits and horses). The eggs from the …