Is Yersinia enterocolitica food poisoning worse in young children?

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Yersinia enterocolitica food poisoning affects children and adults differently. Young children are more likely to become infected with the bacteria, and when infected they are more likely to have bloody diarrhea, fever, and vomiting. In adults and older children, right sided abdominal pain is a more prominent symptom. Therefore, this form of food poisoning is more likely to be mistaken for appendicitis in older patients. The infection may be more severe in younger children, while adults are more likely to get post-infectious complications including arthritis.