<unk>  deaths per million persons in 2012 The number of new cases a year of acute<unk>  in Western countries is 7.4 cases per 100,000 people per year. In tropical countries, the incidence is 6.34 per 100,000 people per year. The number of cases of<unk>  has not changed much over time, with about 250,000 cases a year from 2005 to 2015 in the US. Approximately seven per 100,000 people were hospitalized for<unk>  in the US during this time. In 2015,<unk>  was estimated to have affected 4.3 million people and resulted in 150,000 deaths worldwide. Herpes simplex<unk>  has an incidence of 2–4 per million of the population per year.
Encephalitis
Meningitis
Creutzfeldt–Jakob disease  Creutzfeldt–Jakob disease  1
Meningoencephalitis
Encephalomyelitis
Cerebritis
Seroma
Meninges