(KTVI)-A rare stomach bug caused by a parasite and linked to fresh produce has been reported in 14 states, including both Illinois and now Missouri, with cases reported in the Kansas City and Branson areas. Nationwide, there are more than 320 people confirmed sick and 18 people have been hospitalized. .
The intestinal illness can cause weeks or even months of pain and discomfort. Symptoms include fatigue, weight loss , nausea, vomiting, abdominal cramping, and explosive diarrhea.
Cyclosporiasis is commonly linked to fresh produce but health officials say they aren't sure whether a domestic or foreign product caused the outbreak. THE CDC is also trying to determine whether it's contaminated produce or unsanitary irrigation methods used to grow fruits and veggies. They also want to know if there is a single or multiple contaminated products, and whether all of the affected people were infected by the same source.
Researchers fear the outbreak can get worse.