The eye nematode Thelazia callipaeda Railliet et Henry, 1910 (Spirurida: Thelaziidae) is a vector-borne zoonotic nematode infecting a range of wild and domestic carnivores as well as humans. It is considered to be a causative agent of emerging and neglected disease and currently invades central part of Europe. Nematodes were collected from the eye of a dog living in Prague, which never travelled outside the Czech Republic. The nematodes were identified based on their morphology and partial sequence of the cox1 gene as T. callipaeda haplotype 1. This finding represents the northernmost record of autochthonous canine thelaziosis in Europe. The insufficient control of imported animals as well as free movement of dogs and wild carnivores within Europe probably facilitates spreading of T. callipaeda throughout the continent. To better understand the spreading of T. callipaeda and to prevent its zoonotic transmissions, information about the risk of this infection in newly invaded countries should be disseminated not only among veterinarians and physicians, but also within the community of pet owners and hunters.

Institute of Parasitology Biology Centre Czech Academy of Sciences Ceske Budejovice Czech Republic

Institute of Parasitology Biology Centre Czech Academy of Sciences Ceske Budejovice Czech Republic Department of Pathology and Parasitology University of Veterinary and Pharmaceutical Sciences Brno Czech Republic

Institute of Parasitology Biology Centre Czech Academy of Sciences Ceske Budejovice Czech Republic Faculty of Science University of South Bohemia Ceske Budejovice Czech Republic

Veterinary Clinic Lhotka Praha 4 Czech Republic

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