is present both in soil and in oral and faecal human flora and has been reported as a cause of various infections, such as brain abscess, sepsis and necrotizing soft tissue infections.

Case presentation:

A 12-year-old boy arrived at a rural hospital in the highlands of south-western Ethiopia with two cutaneous lesions on the left foot and elbow. The father said that the boy had fallen from a tree 6 days ago. A sample was taken from both lesions and cultured on blood agar. For both specimens, Gram-positive rods were observed following Gram staining and the following day growth on solid medium showed an aerotolerant sporulated Gram-positive bacillus. Treatment with intravenous penicillin was started and the boy recovered in 3 days. A concentrate of the culture inactivated with methanol was sent to a reference laboratory and identified by mass spectrometry as .


The combined use of basic clinical microbiology tools with new and simple diagnostic technologies is redefining our knowledge about the aetiology of some common infectious diseases.


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