The answer is B. Cholera
The other options are caused by a virus. Cholera was caused by bacterium Vibrio Cholera. The classic symptom of cholera is diarrhea that lasts for a few days. It could result in life threatening dehydration and electrolyte imbalance
Cholera is infected between 3 - million people worldwide, while it's considered as a pandemic, it rarely happens in a developed country like the U.S.A.
I hope I helped! =D