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<i>Brachybacterium</i> is a genus of Gram-positive bacteria that rarely causes infections in humans. Here we report the case of an 8-month-old infant who presented with an acute febrile illness. During the diagnostic process, a blood culture was positive with Gram-positive cocci that were identified as <i>Brachybacterium nesterenkovii</i> by MALDI-TOF. As a result of the unclear clinical significance of this isolate and the continuous febrile state, a second blood culture was taken and returned <i>B. nesterenkovii</i> once more. To our knowledge this is the first time that <i>B. nesterenkovii</i> has been isolated from human blood cultures during the course of a systemic infection.

Original publication





New microbes and new infections

Publication Date





Shoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Mae Sot, Thailand.