Figure 1. Incidence rate (cases/1,000 live births) of invasive group B streptococcal disease among infants <3 months of age by province, China. Number of live births per participating hospital is provided. Gray shaded areas did not participate in this study. Inset shows South China Sea Islands. BJ, Tsinghua University Hospital; CQ, Chongqing Health Center for Women and Children; CS, Changsha Hospital for Maternal and Child Health; GD, Guangdong Women and Children’s Hospital; GX, The Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region; GZ, Guangzhou Women and Children’s Medical Center; HB, Hubei Maternal and Child Health Hospital; HY, The First Affiliated Hospital, Harbin Medical University; NJ, Nanjing Maternity and Child Health Care Hospital; NX, General Hospital of Ningxia Medical University; SH, Children’s Hospital of Fudan University; SY, Shengjing Hospital, China Medical University; TJ, Tianjin Central Hospital of Gynecology Obstetrics; TS, Tangshan Maternal and Child Health Care Hospital; XJ, Maternal and Child Health Care Hospital of Uygur Autonomous Region; XJ1, The First Affiliated Hospital of Xi’an Jiaotong University; XJ2, The Second Affiliated Hospital of Xi’an Jiaotong University; ZJ, Women’s Hospital, Zhejiang University.