Group B Streptococcus Bacteria (image) University of the Witwatersrand Share Print E-Mail Caption Group B Streptococcus is bacteria that cause stillbirths and invasive disease and infant death. The most comprehensive analysis of GBS released on 6 November 2017 shows the highest incidence of GBS is in Africa. Credit CDC Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.