American Journal of Epidemiology Vol. 102, No. 1: 16-24
Copyright © 1975 by The Johns Hopkins University School of Hygiene and Public Health
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THE EPIDEMIOLOGY OF ST. LOUIS ENCEPHALITIS IN CORPUS CHRISTI, TEXAS, 1966
1Viral Diseases Division, Bureau of Epidemiology, Center for Disease Control Atlanta, GA
2Virology Division, Bureau of Laboratories, Center for Disease Control
3Director of Public Health and Welfare, Corpus Christi-Nueces County Health Department, Corpus Christi TX 78403
4Viral Diseases Division, Bureau of Epidemiology, Center for Disease Control
5To whom requests for reprints should be sent at: Virology Division, Bureau of Laboratories, Center for Disease Control, Atlanta, GA 30333.
Williams. K. H., F. B. Hollinger, W. R. Metzger. C. C. Hopkins and R. W.Chamberlain (Center for Disease Control. Atlanta, GA 30333). The epidemiology of St. Louis encephalitis in Corpus Christi, Texas, 1966. Am J Epidemiol 102:16-24. 1975.In the summer of 1966, an epidemic of St. Louis encephalitis occurred in Corpus Christi, Texas, coincident with one occurring in Dallas about 563 km to the north. Among the 76 cases confirmed in Corpus Christi, there were two deaths; the attack rate was 41.0 per 100,000. In contrast with a concurrent outbreak in Dallas and the 1964 outbreak in Houston, attack rates were much higher in populations of the upper socioeconomic districts. This distribution may have resulted from the combined effects of an unusual concentration of vector mosquito breeding sites in storm sewers in the upper socioeconomic districts and a higher degree of residual immunity in the residents of the lower socioeconomic areas.
arbovirus infections; encephalitis; St. Louis; mosquito control
Present address: Departments of Psychiatry and Internal Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261.
Present address: Department of Virology and Epidemiology, Baylor College of Medicine, Houston, TX 77025.
Present address: Department of Medicine, Massachusetts General Hospital, Boston, MA 02114.
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