Health officials make additional recommendations to combat cyclosporiasis outbreak SooLeader.com Clusters of Severe Stomach Illness Reported Across the U.S. The New York Times CDC investigates parasite that’s caused cases of ‘explosive’ diarrhea in 18 US states The Guardian 'Large and growing' parasitic infection reported in 17 states ABC7 Chicago ‘Explosive’ diarrhea illness reported across US. See map of affected states USA Today