An unusual spike in a parasitic infection known as cyclosporiasis has spread across 31 states, according to reports from federal health officials. The Centers for Disease Control and Prevention (CDC) has documented 843 cases, though the actual number is suspected to be much higher.
As of last Thursday, the CDC announced that the cases documented are merely those reported directly by state health departments. Notably, Michigan has independently recorded 1,562 cases. The illness, caused by the Cyclospora parasite, results in symptoms such as diarrhea, nausea, and fatigue.
Currently, 86 hospitalizations have been linked to the outbreak, although no fatalities have been reported. The illness is typically contracted through consuming contaminated food or water, with previous outbreaks tied to fresh produce items like salads and lettuce.
Federal health authorities note that cyclosporiasis cases tend to climb during spring and summer. However, there has been a notable increase over the past two weeks compared to the same period last year, according to the CDC.
Geographic Spread of the Illness
States from California to Texas and Florida have reported instances of the infection since May. Areas particularly affected include the Midwest and Northeast, such as Michigan and New York. Ohio has also seen a significant number of cases, with 177 reported as of July 2.
Ohio’s health director, Dr. Bruce Vanderhoff, emphasized the seriousness of cyclosporiasis, noting its potential to cause dehydration and necessitate emergency care.
The CDC reports that cases have affected individuals aged 5 to 88, and the total count is expected to rise due to delays in reporting infection cases.
Investigation into the Source
The precise cause of the outbreak remains unidentified. Health officials are interviewing those infected to trace potential food sources, but the delayed onset of symptoms—ranging from two days to two weeks—makes this challenging.
Historically, U.S. outbreaks have been associated with foods such as raspberries, basil, cilantro, snow peas, and lettuce, according to the FDA.
Prevention Measures
To prevent infection, cooking produce to 158 degrees Fahrenheit or higher is effective in killing the Cyclospora parasite. The public is also advised to thoroughly wash fresh produce, though rinsing alone may not be entirely effective.
Standard food safety practices, such as hand washing before and after handling produce, are important. Those experiencing severe symptoms are encouraged to seek medical attention, with antibiotics typically used for treatment.
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