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 36,969,779 persons and 443,140 live births. Source: National Center for Health Statistics bridged‑race vintage 2016 postcensal file and 2016 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 2016. 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. 2016. Active Bacterial Core Surveillance Report, Emerging Infections Program Network, Group B Streptococcus, 2016. Feb2018 File – Final Mar 20, 2018 Publication date from document properties. gbs16.pdf

Stephen B. Thacker CDC Library collection