Cyclospora Outbreak: Maryland Health Officials Report Case Spike

Health authorities in Maryland have issued an urgent alert following a sharp increase in reports of cyclosporiasis, a gastrointestinal illness caused by a microscopic parasite. According to the latest data from the Maryland Department of Health, the number of confirmed cases has more than doubled since last week, raising concerns among local medical experts and state officials.

Cyclospora cayetanensis is a single-celled parasite that typically affects the human intestinal tract. Infection occurs when a person ingests contaminated food or water. While the parasite is known to circulate in various parts of the world, it is most commonly associated with imported fresh produce in the United States. Health officials are currently investigating the specific sources of the recent outbreak to determine if a common food item or retail supply chain is responsible for the rapid spread.

Symptoms of cyclosporiasis can be uncomfortable and disruptive. Patients infected with the parasite often experience watery diarrhea, which is the most common sign, accompanied by loss of appetite, weight loss, stomach cramps, bloating, increased gas, nausea, and fatigue. Some individuals may also experience vomiting or low-grade fevers. Unlike some other foodborne illnesses that resolve within 24 hours, symptoms of Cyclospora can be persistent, sometimes lasting for several weeks or even months if left untreated.

One of the primary challenges with identifying Cyclospora cases is the time it takes for symptoms to appear. Typically, individuals start feeling unwell about one week after consuming contaminated food or water. This delay often makes it difficult for patients to remember exactly what they ate or where they purchased their food, which complicates the contact-tracing efforts conducted by state epidemiologists.

Maryland health officials are urging residents to practice stringent food safety measures to reduce the risk of infection. While washing produce is always recommended, officials warn that it may not be enough to remove the parasite entirely. Thoroughly rinsing fresh fruits and vegetables under running water can help remove some surface dirt and bacteria, but Cyclospora is particularly difficult to wash away because it can cling to the nooks and crannies of items like berries, lettuce, and cilantro.

There is no evidence that the parasite spreads directly from person to person. Therefore, the focus remains on food handling and supply chain oversight. Restaurants and retail stores are being reminded to reinforce their hygiene protocols, and consumers are encouraged to be vigilant about the origins of their produce. If you suspect you have been exposed or are experiencing symptoms, health officials advise that you visit a clinic to receive a specific diagnostic test, as the infection requires a specific course of antibiotics for treatment, which is different from the care provided for typical viral or bacterial food poisoning.

As the investigation continues, the Maryland Department of Health is working alongside federal partners, including the Centers for Disease Control and Prevention (CDC) and the Food and Drug Administration (FDA), to identify potential clusters. The spike in cases serves as a reminder of the importance of robust food safety surveillance systems in protecting public health. Residents are encouraged to monitor the state health department’s website for ongoing updates and additional guidance as new information becomes available.

Consult a healthcare professional.