North Carolina - Suggestion (Added 9/3/15 at 18:45 PM)

Unknown Illness Strikes 100+ Students in North Carolina: How Common Are ‘Mystery’ Outbreaks?

https://www.yahoo.com/health/unknown-illness-strikes-100-students-in-1248951322124342.html

My 2 cents thought - Though it is difficult to determine the source for this mystery outbreak away from the site of action, my humble suggestion is to also consider other water-borne/food-borne bacterial infections.

Useful references:

1. http://www.mayoclinic.org/diseases-conditions/cholera/basics/causes/con-20031469

2. http://wwwnc.cdc.gov/eid/article/17/11/11-0808_article