Topline
Cases of cyclosporiasis, the diarrhea-causing parasitic illness reported in 31 states, are quickly spiking in Michigan, with more than 1,000 new cases reported in the state this weekend as total infections there surpass 2,600.
Michigan reported more than 1,000 new cases of cyclosporiasis since Friday. (Photo by Nathan Posner/Anadolu Agency via Getty Images)
Anadolu Agency via Getty Images
Key Facts
Michigan, the hardest-hit state, reported a total of 2,640 cyclosporiasis cases in the outbreak as of Monday, with 44 individuals hospitalized.
On Friday, Michigan had reported 1,562 cases, marking a significant jump in cases recorded over the weekend.
The Centers for Disease Control and Prevention had reported 843 confirmed U.S. cases as of Thursday, noting it was aware of 1,500 additional cases that required further analysis to confirm the illnesses are domestically acquired cyclosporiasis.
Michigan’s hardest-hit areas are Monroe County and Wayne County, the latter of which includes Detroit.
What Do We Know About The Cyclosporiasis Outbreak?
The cause of the outbreak is not yet known. The CDC says on its website it is working with state and federal partners to investigate the outbreak, though a source has not yet been identified. Michigan’s health department also says it is not yet aware of the source of the state’s outbreak. The surge in cases comes one year after the CDC removed cyclospora from a list of pathogens required to be monitored under the agency’s Foodborne Diseases Active Surveillance Network program. Ten states are part of the surveillance program, including New York, though neither Michigan nor Ohio are members. At the time, a CDC spokesperson told NBC News the program would “narrow its focus to Salmonella and [Shiga toxin-producing E. coli]” to “allow FoodNet staff to prioritize core activities.” Some experts have voiced fears scaling back the surveillance program would make it harder to know whether cases of certain foodborne diseases are rising. “CDC is backing off on one of their best surveillance systems,” Dr. J. Glenn Morris, director of the Emerging Pathogens Institute at the University of Florida who helped create the CDC’s foodborne disease surveillance program, told NBC News.
What Is Cyclosporiasis—And How Does It Spread?
Cyclosporiasis is a gastrointestinal disease caused by the microscopic parasite cyclospora, the CDC says. People can become infected by eating or drinking contaminated food or water. The disease does not spread directly from person to person. After ingesting the parasite, it can take weeks for symptoms to develop. The main symptom is diarrhea, described by experts as watery and sometimes “explosive.” Other symptoms can include loss of appetite, weight loss, cramping, bloating and increased gas. To prevent infection, experts recommend following basic hygienic practices, like washing hands before preparing food and rinsing fruits and vegetables before eating.
further reading
Cyclosporiasis Cases Reported In 31 States—As Over 1,500 Infected In Michigan (Forbes)