Fatal human eosinophilic meningo-encephalitis caused by CNS co-infection with Halicephalobus gingivalis and West Nile virus

Parasitol Int. 2015 Oct;64(5):417-20. doi: 10.1016/j.parint.2015.06.001. Epub 2015 Jun 5.

Abstract

The saprophytic nematode Halicephalobus is a rare cause of fatal human meningo-encephalitis, and West Nile virus is neurotropic flavivirus implicated in a variety of clinical neurologic syndromes. Here we report a case of rapidly progressive CNS encephalopathy and death. Serologic, immuno-histochemical, histopathologic and nucleic acid studies demonstrate the presence of active Halicephalobus and West Nile virus in the CNS tissue. This is the first reported case of co-infection with these neurotropic pathogens.

Keywords: Eosinophilic encephalitis; Granuloma; Halicephalobus; West Nile virus.

Publication types

  • Case Reports

MeSH terms

  • Animals
  • Central Nervous System Helminthiasis / complications
  • Central Nervous System Helminthiasis / pathology*
  • Coinfection
  • Fatal Outcome
  • Female
  • Humans
  • Middle Aged
  • Nematoda / classification*
  • Nematode Infections / complications
  • Nematode Infections / parasitology*
  • Nematode Infections / pathology
  • West Nile Fever / complications
  • West Nile Fever / pathology*
  • West Nile virus / isolation & purification*