No illnesses have been reported yet. All lots of oysters harvested and sold from April 28 to May 5, 2026, are affected. Products were sold nationwide in 1 country through retail seafood outlets and supermarkets.
Who's At Risk?
Children under 5 years old, older adults, and persons with weakened immune systems.
Symptoms
Symptoms include severe stomach cramps, diarrhea, fever, nausea, and/or vomiting. Some infections can cause severe bloody diarrhea and lead to life-threatening conditions such as hemolytic uremic syndrome (HUS), chronic kidney disease, or neurologic problems.
