Encephalitis | Viral

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  • Encephalitis | Viral


  • HSV is most common, causing 50-75% of viral cases (where dx known)
  • Other common viral causes include: VZV, arboviruses (transmitted by mosquitoes and ticks: West Nile, Dengue, Eastern equine, other), enteroviruses (e.g. coxsackie, echovirus)
  • Prevalence of viruses can vary w/season, region of the world, exposure history (e.g. to animals, sick persons, environment), health status, immune competency