Campylobacter jejuni (image) Washington State University Share Print E-Mail Caption Campylobacter jejuni (green) is shown infecting a human cell. The bacteria account for 400 to 500 million cases of diarrhea annually." Credit WSU 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.