Alpha epidemic encephalitis

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Alpha epidemic encephalitis, also known as sleeping encephalitis (encephalitis lethargica). April 1917 von Constantine (Constantin von Economo) Doctor in Vienna Psychiatric Association released him on the disease clinical and pathological findings and put forward as an independent disease, it is also said Von Economo encephalitis. At the end of World War I type of encephalitis spread all over Europe, around five million people are infected, patients are mostly young people and more women than men. Acute phase clinical features are fever, drowsiness, eye muscle paralysis and dance-like, such as excessive exercise. Chronic phase is mainly expressed in Parkinson's syndrome.

Epidemiology:

Alpha-encephalitis as early as prevalent in 1915 Bucharest, Romania, 1917 ~ 1924 worldwide at the local epidemic, spread to Europe, France, Austria, Britain and Germany, North America, Canada, India Asia, Japan and China, as well as in Africa Spain in 1918 in many countries may also be hot for this disease epidemic.

Prevalence of the disease happened in the spring and summer, autumn and winter a significant decrease in transmission is not yet clear, probably through the air by respiratory droplets spread of speculation and the source of infection are patients with age at onset of the virus to 10 ~ 40-year-old found, more than female high male mortality.