ABCs Areas: California (3 county San Francisco Bay area); Colorado (children < 1 year in 5 county Denver area); Connecticut (children < 1 year); Georgia (20 county Metro area); Maryland; 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 28,338,691 persons and 473,736 live births. Source: National Center for Health Statistics bridged-race vintage 2008 postcensal file and 2007 state vital records ABCs Case Definition: Invasive group B streptococcal disease: isolation of Group B Streptococcus from a normally sterile site in a resident of a surveillance area in 2008. Early-onset cases occur at < 7 days of age and late-onset occur between 7 and 89 days of age. Citation: Centers for Disease Control and Prevention. 2009. Active Bacterial Core Surveillance Report, Emerging Infections Program Network, Group B Streptococcus, 2008. Oct 2009 File – Dec 1, 2009 Publication date from document properties. gbs08.pdf

Stephen B. Thacker CDC Library collection