title: St. Louis encephalitis in Memphis-Shelby County, Tennessee, 1975: epidemiologic aspects of human cases.
abstract: An epidemic of St. Louis encephalitis (SLE) occurred in Memphis-Shelby County, Tennessee, in the summer of 1975, as part of an outbreak involving large portions of the Eastern United States. A total of 187 suspected cases were reported, of which 62 were laboratory-confirmed or presumptive SLE. The overall attack rate was 8.1/100,000; rates were higher in lower socioeconomic districts. The case fatality rate was 19.4%. Climatologic data and related factors favoring the occurrence of this outbreak are discussed.
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D000328:Adult; D001741:Black or African American; D000368:Aged; D002980:Climate; D004196:Disease Outbreaks; D004674:Encephalitis, St. Louis / Q000175:diagnosis / Q000453:epidemiology*; D005843:Geography; D006801:Humans; D008875:Middle Aged; D012959:Socioeconomic Factors; D013714:Tennessee; D044465:White People