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You're probably hearing about cyclosporiasis (caused by the parasite cyclospora) in the news. The U.S. is experiencing a multistate outbreak right now.
Is cyclosporiasis in our area? Eau Claire County has had four cases since May 1, which is within normal range for this time of year.
What is cyclospora? Cyclospora is a parasite that causes watery diarrhea and stomach pain. People are exposed to it by eating contaminated produce or by drinking contaminated water in a country where the parasite is common. It's very unlikely to spread from person to person.
What are the current outbreaks tied to? The FDA said earlier this month that the multistate outbreak was linked to Taylor Farms shredded iceberg lettuce, although on July 19 it said the positive cyclospora test should be considered a false positive. The FDA is continuing to work with states to collect and analyze samples to test for cyclospora.
Taylor Farms on July 17 said it would remove all iceberg lettuce sourced from central Mexico from the U.S. market. The recall included Marketside-brand lettuce sold at Walmart:
- 12-ounce and 24-ounce Iceberg Salad with "best if used by" dates July 18 to August 3
- 8-ounce and 16-ounce Shredded Lettuce with "best if used by" dates July 18 to August 3
What are the signs of cyclosporiasis? Symptoms usually begin 2-14 days after being exposed to the parasite:
- Watery diarrhea
- Stomach cramps
- Loss of appetite
- Weight loss
- Fever
- Nausea
- Fatigue
Symptoms can last from a few days to months if left untreated. Symptoms may come in cycles where they seem to go away, but come back again.
Is there treatment? Cyclosporiasis can be treated with antibiotics. Getting rest and drinking fluids are especially important if you have diarrhea.
What do I do if I think I have cyclosporiasis? Talk to your doctor or health care provider.
How can I reduce risk? Wash your hands before cooking. Wash fruits and veggies under running water before cutting, cooking, or eating. For firmer fruits and veggies, use a clean produce brush to scrub them.
Health officials have recommended buying whole heads of lettuce (rather than prewashed, bagged lettuce or salad mixes), throwing away the outer 2-3 layers of leaves, and washing the inner leaves under running water. Veggies and fruits are also safer when cooked.
When travelling in other countries, avoid eating raw produce or undercooked food, drink only bottled water, and avoid ice.
Is cyclospora common? It's not common in Wisconsin and the U.S., although Wisconsin usually sees an increase in cyclospora cases in the summer. Cases are usually tied to international travel or eating contaminated imported produce.
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