“…Yersinia enterocolitica causes a variety of illnesses in humans, such as gastroenteritis (6), pseudoappendicitis (8), nonsuppurative arthritis (26), septicemia (21), and suppurative infections (20). Gastroenteritis in young children has recently become the most common clinical manifestation (6,12), and several large outbreaks of Y. enterocolitica have been reported from Canada (3), and New York State (4).…”