How is brain infection transmitted in herpes simplex encephalitis (HSE)?

Updated: Jul 17, 2018
  • Author: Wayne E Anderson, DO, FAHS, FAAN; Chief Editor: Niranjan N Singh, MBBS, MD, DM, FAHS, FAANEM  more...
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Brain infection is thought to occur by means of direct neuronal transmission of the virus from a peripheral site to the brain via the trigeminal or olfactory nerve. Factors that precipitate HSE are unknown. The prevalence of HSE is not increased in immunocompromised hosts, but the presentation may be subacute or atypical in these patients. HSV-2 may cause HSE in patients with HIV-AIDS. [13, 14, 15]

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