Residents of Frederick County, Maryland, are encouraged to stay informed about cyclosporiasis, an intestinal infection caused by the parasite Cyclospora cayetanensis. This infection can affect anyone, regardless of age, and is particularly noted during the spring and summer months in the United States. Although individuals living in or traveling to developing countries are at higher risk, infections can occur worldwide.
Transmission of Cyclospora typically occurs through the consumption of food or water that has been contaminated with feces. It’s important to note that the parasite requires time to become infectious after being shed, making direct person-to-person transmission unlikely. The primary sources of Cyclospora remain unidentified, and it is still unknown whether animals can carry and transmit the infection to humans.
Symptoms of cyclosporiasis usually manifest between 1 to 14 days after exposure and may include watery diarrhea, extreme fatigue, loss of appetite, and stomach cramps, among others. If left untreated, symptoms can persist for several days to over a month, and some individuals might remain asymptomatic. Residents are advised to consult their healthcare providers if they experience any of these symptoms, as laboratory tests specifically for Cyclospora are necessary for diagnosis.
The treatment for cyclosporiasis involves antibiotics, with immunocompromised patients potentially requiring more intensive treatment. Those experiencing severe or prolonged diarrhea should seek medical attention promptly. For more detailed information, residents can visit the Maryland Department of Health’s resource page on cyclosporiasis.

