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April 1984

Role of Yersinia enterocolitica-Reply

Author Affiliations

Department of Pediatrics University of North Carolina School of Medicine Chapel Hill, NC 27514

Am J Dis Child. 1984;138(4):411-412. doi:10.1001/archpedi.1984.02140420077028

In Reply.—Chiesa et al are correct when stating that tests to place the Y enterocolitica isolated from our patient into a specific serogroup and biotype were not performed. My colleagues and I agree that knowing the serogroup and antibody response would be of interest; however, we do not think that it is necessary for confirming the diagnosis of Y enterocolitica gastroenteritis. In the study by Marks et al,1 545 asymptomatic children in their control group had cultures that were negative for Y enterocolitica of any serogroup. The 18 isolates of non-0:3 serogroups were obtained from children with gastroenteritis.1 Asakawa et al2 reported Y enterocolitica isolated from only 0.34% of 4,673 stool specimens of apparently healthy persons in Japan, an area where Yersinia infection is not uncommon. Clearly, the isolation of Y enterocolitica in the stool of asymptomatic persons is quite rare, and in our patient with

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