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| Severe streptococcal infections in historical perspective. Adapted from Katz and Morens, Clin. Infect. Dis. 14:298-307, 1992. Depicted in the insert are the recorded deaths in the United States from 1900 to 1960, adapted from R. W. Quinn. Streptococcal infections, p. 525-552. In A. S. Evans and H. A. Feldman (ed.), Bacterial infections of humans: epidemiology and control. Plenum Medical, New York, 1982. |