ABCs Areas: California (3 county San Francisco Bay area); Colorado (5 county Denver area); Connecticut; Georgia (20 county Atlanta area); Maryland (6 county Baltimore area); Minnesota; New Mexico; New York (15 county Rochester and Albany areas); Oregon (3 county Portland area); Tennessee (11 urban counties) ABCs Population: The surveillance areas represent 31,516,458 persons. Source: National Center for Health Statistics bridged race vintage 2009 postcensal file ABCs Case Definition: Invasive group A streptococcal disease: isolation of group A Streptococcus from a normally sterile site or from a wound culture accompanied by necrotizing fasciitis or streptococcal toxic shock syndrome in a resident of a surveillance area in 2009. Oct2010 File – Oct 29, 2010 Citation: Centers for Disease Control and Prevention. 2010. Active Bacterial Core Surveillance Report, Emerging Infections Program Network, group A Streptococcus, 2009. Publication date from document properties. gas09.pdf

Stephen B. Thacker CDC Library collection