Cyclosporiasis Outbreak: 30 New Cases Reported in Wake County

Public health officials in North Carolina are closely monitoring an uptick in cases of cyclosporiasis, a gastrointestinal illness caused by the Cyclospora cayetanensis parasite. Wake County health authorities confirmed this week that 30 additional residents have been diagnosed with the infection, adding to a growing list of cases in the region. This development has prompted local health departments to heighten surveillance efforts and renew calls for public awareness regarding food safety.

Cyclosporiasis is an intestinal infection that typically develops after a person ingests contaminated food or water. Unlike some other foodborne illnesses, it is not spread directly from person to person. The parasite is microscopic, meaning it cannot be seen with the naked eye, and it is most commonly associated with the consumption of fresh produce that has been contaminated with trace amounts of feces. Historically, outbreaks have been linked to imported fresh fruits and vegetables, such as cilantro, basil, raspberries, and lettuce.

Symptoms of the infection usually appear about a week after a person has ingested the parasite. The most prominent symptom is frequent, often explosive, diarrhea. Other common side effects include loss of appetite, significant weight loss, stomach cramps, bloating, nausea, and low-grade fever. If left untreated, the illness can persist for several weeks or even months, with symptoms sometimes appearing to subside and then return. Because these symptoms mirror those of other common gastrointestinal issues, health experts emphasize the importance of laboratory testing to confirm a diagnosis.

Wake County health officials are currently working to determine the potential source of this specific cluster. Epidemiology teams are conducting thorough interviews with those affected to identify commonalities in their recent diet or shopping habits. While the exact source of this outbreak remains under investigation, the North Carolina Department of Health and Human Services is coordinating with federal partners, including the Centers for Disease Control and Prevention (CDC) and the Food and Drug Administration (FDA), to track the distribution of potential food items.

Preventing the spread of Cyclospora requires diligent food handling practices. Officials emphasize that standard washing of produce is an essential first step, though it may not always remove the parasite if it is embedded in the surface of the food. For fresh items, health departments recommend washing produce thoroughly under running water, though they note that even thorough washing does not guarantee the removal of all parasites. In the context of large-scale outbreaks, avoiding consumption of raw produce linked to identified clusters is the most effective way to prevent infection.

Health authorities are urging anyone who experiences prolonged, severe diarrhea or other persistent gastrointestinal distress to contact their local primary care provider. Most cases of cyclosporiasis are treatable with a specific course of antibiotics, which can significantly reduce the duration and severity of the illness. Without medical intervention, the parasite can lead to dehydration, particularly in vulnerable populations such as the elderly or those with compromised immune systems.

As the investigation continues, officials are reminding the public that foodborne illness reports are a routine part of public health monitoring. Residents are encouraged to follow official updates from their local health departments and to maintain high standards of hygiene when preparing meals. While this current cluster is a point of concern for Wake County, it serves as a broader reminder of the importance of the food supply chain and the necessity for continued vigilance in food safety standards worldwide.

Consult a healthcare professional.