<i>E. coli</i> (IMAGE) University of Washington Caption This is a colorized scanning electron micrograph image of E. coli. Credit National Institute of Allergy and Infectious Diseases Usage Restrictions Must include credit 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.