(CDC via AP, File)Two people have died in the cyclospora outbreak in Michigan, state health officials announced Monday, the first deaths confirmed in the U.S. related to the microscopic parasite. The Michigan Department of Health and Human Services said both people had underlying health conditions that may have been impacted by the intestinal illness and dehydration. Cyclospora is a microscopic, spherical parasite that commonly causes watery diarrhea “with frequent and sometimes explosive bowel movements,” according to the Centers for Disease Control and Prevention. Many cases are never linked to a specific food or other source and, for years, few U.S. cyclospora outbreaks were reported. The agency has said other “brands, restaurants, retailers, or distribution channels” could be tied to the outbreak as the investigation continues.