Sir.—I read with interest the article by Bosworth1 on Kingella (Moraxella) kingae infections in children. This has prompted me to report two cases of bacteremia caused by this fastidious organism that my colleagues and I recently treated. The sharply different outcomes of our two cases expands the clinical spectrum of diseases caused by Kingella species.
Report of Cases.—Case 1.—A 15-month-old male infant was seen on Aug 25, 1980, because of fever and limping for one day. Results of the physical examination were normal. The WBC count was 11,700/cu mm, with 38% polymorphonuclear neutrophil leukocytes (PMNs) and 11% stab cells. The ESR was 22 mm/hr. On the next day, his temperature was 39.4 °C, and his ESR was 32 mm/hr, but his condition seemed to be improved. On Aug 31, a blood culture, drawn on Aug 25, was reported to be yielding a fastidious gram-negative bacillus. The
LE CT. Kingella (Moraxella) kingae Infections. Am J Dis Child. 1983;137(12):1212. doi:https://doi.org/10.1001/archpedi.1983.02140380070029
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