Epidemiology of Invasive Group AStreptococcusDisease in the United States, 1995–1999
Author(s) -
Katherine L. O’Brien,
Bernard Beall,
Nancy L. Barrett,
Paul R. Cieslak,
Arthur Reingold,
Monica M. Farley,
Richard Danila,
Elizabeth R. Zell,
Richard R. Facklam,
Benjamin Schwartz,
Anne Schuchat
Publication year - 2002
Publication title -
clinical infectious diseases
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.44
H-Index - 336
eISSN - 1537-6591
pISSN - 1058-4838
DOI - 10.1086/341409
Subject(s) - medicine , epidemiology , pneumonia , meningitis , streptococcus , toxic shock syndrome , population , disease , incidence (geometry) , streptococcus pyogenes , demography , mortality rate , pediatrics , environmental health , staphylococcus aureus , biology , bacteria , genetics , physics , sociology , optics
Severe invasive group A streptococcal (GAS) disease is believed to have reemerged during the past 10-20 years. We conducted active, laboratory, population-based surveillance in 5 US states (total population, 13,214,992). From 1 July 1995 through 31 December 1999, we identified 2002 episodes of invasive GAS (3.5 cases per 100,000 persons). Rates varied by age (higher among those <2 or >/=65 years old), surveillance area, and race (higher among black individuals) but did not increase during the study period. The 5 most common emm types (1, 28, 12, 3, and 11) accounted for 49.2% of isolates; newly characterized emm types accounted for 8.9% of isolates. Older age; presence of streptococcal toxic shock syndrome, meningitis, or pneumonia; and infection with emm1 or emm3 were all independent predictors of death. We estimate that 9600-9700 cases of invasive GAS disease occur in the United States each year, resulting in 1100-1300 deaths.
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