Herpes simplex encephalitis in the elderly

Herpes simplex encephalitis in the elderly is a common sporadic viral encephalitis. Also known as herpes simplex virus encephalitis, it can be found in both primary herpes simplex virus infection and recurrent patients. The pathogenic herpes simplex virus (HSV) is divided into type I and type II. Type Ⅰ HSV is latent in the olfactory bulb, olfactory tract and sensory ganglion of the trigeminal nerve. Type Ⅰ is common in adults and elderly. . Type Ⅱ virus is mainly found in newborns and is related to infection of the reproductive tract. The disease belongs to the category of warm disease and spasm syndrome in traditional Chinese medicine.