Streptococcus Bacteria (2 of 2) (IMAGE) University of Bristol Caption Streptococcus bacteria (red spheres in chains) adhering to collagen fibers. Credit A. Nobbs Usage Restrictions This image is for use once only in connection with this story and is not to be stored for future use. License Licensed content 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.