The genus comprises groups of slow-growing, Gram-negative coccobacilli, which only infrequently cause infection in humans. When identified, they are associated with immunocompromised adults, often causing bacteraemia. Due to their rarity, members of this genus can be overlooked or misidentified using automated laboratory identification systems. We report on an immunocompetent adolescent patient who developed septic arthritis due to following surgery for a sports injury. The isolate was initially misidentified as using the Vitek 2 system, but confirmed as based on 16S rRNA gene sequencing. To the best of our knowledge, this is the first case of a healthy paediatric patient with septic arthritis due to .


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vol. , part 11, pp. 1514 - 1516

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Isolate of growing on Sabouraud dextrose agar.

Isolate of growing on MacConkey agar (lower left plate), 5 % sheep blood agar (upper left plate), Sabouraud dextrose agar (lower right plate) and chocolate agar (upper right plate).

Pink-pigmented colonies of , taken from the plate in Supplementary Fig. S1.

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