ABCs Areas: California (3 county San Francisco Bay area); Colorado (5 county Denver area); Connecticut; Georgia (20 county); Maryland; Minnesota; New Mexico; New York (15 county Rochester and Albany areas); Oregon (3 county Portland area); Tennessee (20 counties) ABCs Population: The surveillance areas represent 37,535,943 persons and 432,895 live births. Source: National Center for Health Statistics bridged race vintage 2017 postcensal file and 2017 natality data from National Center for Health Statistics (NCHS). 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 2017. 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. 2017. Active Bacterial Core Surveillance Report, Emerging Infections Program Network, Group B Streptococcus, 2017. Jan 2019 File – Final March 20, 2019 Publication date from document properties. /gbs17.pdf

Stephen B. Thacker CDC Library collection