A parasite that causes diarrhea has been detected in 31 states: How to prepare food and what to avoid

The CDC has confirmed 843 cases of cyclosporiasis and 86 hospitalizations as of July 9, with a further 1,500 cases under investigation. Yana Iskayeva/Getty Images An outbreak of cyclosporiasis has hit the US, with cases reported in 31 states since May 1. Symptoms of the intestinal illness include diarrhea, nausea, and fatigue. The source of the outbreak is unknown, but past culprits have included raspberries and lettuce. There's an outbreak of a parasite that causes diarrhea in the US, so you…