title: Unusual cluster of yersiniosis in four infants due to a rare serogroup.
mesh_terms: D004196:Disease Outbreaks; D005759:Gastroenteritis / Q000453:epidemiology*; D006801:Humans; D007223:Infant; D009518:New York; D015009:Yersinia Infections / Q000453:epidemiology*; D015008:Yersinia enterocolitica / Q000145:classification