University of South Carolina School of Medicine: Alvin Fox's "Enterobacteriaceae, Vibrio, Campylobacter, and Helicobacter"
Read the sections titled "Vibrio Species" and "Campylobacter and Helicobacter." Vibrio cholerae causes cholera. Take advantage of the PowerPoint lecture slides as you study.
Click http://web.archive.org/web/20160406212409/http://microbiologybook.org/fox/enterobact.htm link to open resource.