Burst of Mutations During Initial Infection Allows Bacteria To Evade Human Immune Response (image) Penn State Share Print E-Mail Caption The study shows, for the first time, and in real-time, the interplay between the human immune system and invading bacteria that allows the bacteria to counter the immune response by quickly evolving. A paper describing the research is published in the 13 June 2014 issue of the journal Nature Communications. This electron micrograph shows the stomach bacteria Helicobactor pylori. Credit Yutaka Tsutsumi, Fujita Health University School of Medicine Usage Restrictions The credit line must be published along with the image. 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.