Topline The Centers for Disease Control and Prevention is preparing to expand the ongoing cyclosporiasis outbreak to 15 states, the Washington Post reported, adding six more to the widening outbreak that has sickened an estimated 22,200 people with a so-called "explosive diarrhea parasite." Lettuce from Earthbound Farm, a subsidiary and brand under the Taylor Farms Retail Group. Another 12,255 people are expected to have the illness, and two people in Michigan are confirmed dead from cyclosporiasis. WHAT CAUSED THE CYCLOSPORIASIS OUTBREAK? The agency linked the lettuce to the outbreak after sick people reported having eaten at Taco Bell , which sources that product, in five states.