ABCs Areas: California (3 county San Francisco Bay area); Colorado (5 county Denver area); Connecticut; Georgia; Maryland (6 county Baltimore area); Minnesota; New York (15 county Rochester/Albany area); Oregon (3 county Portland area); Tennessee (11 urban counties)ABCs Population: The surveillance areas represent 31,777,914 persons. Source: National Center for Health Statistics bridged-race vintage 2003 postcensal fileABCs 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 2003.Citation: Centers for Disease Control and Prevention. 200...