Halicephalobus gingivalis

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Halicephalobus gingivalis is the only member of the 8 species in the nematode genus Halicephalobus known to cause neurohelminthiases infection in vertebrates. In horses which are a possible vector for human transmission, although the organism is also found in the soil this can be asymptomatic or as severe as a menigioencephalitis. Two cases of non neurological illness in horses have been successfully treated with ivermectin alone or with diethylcarbamazine[1]. Up to 2014 less than ten cases of human infection resulting in a fatal meningoencephalomyelitis diagnosed only at post mortem have been reported [2]. It is likely only brain biopsy would allow diagnosis in life at this time.


  • Superkingdom Eukaryota
    • Kingdom Metazoa (Animalia)
      • Subkingdom Bilateria
        • Clade Protostomia
          • Superphylum Ecdysozoa
            • Phylum Nematoda
              • Class Chromadorea
                • Order Rhabditida
                  • Superfamily Panagrolaimoidea
                    • Family Panagrolaimidae
                      • Genus Halicephalobus
                        • Species Halicephalobus gingivalis