Bimodal Hypervirulent Bacteria (IMAGE) The Hebrew University of Jerusalem Caption The image shows the spontaneous differentiation of the bacteria into two states (shown in the histogram on the left as two peaks). One of these peaks represents the hypervirulent state that is seen on the right infecting human cells (bacteria are marked in green, the human cells in red and violet). Credit (Photo credit: Irine Ronin) Usage Restrictions Please include photo 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.