It’s time to “stirrup” a new #CaseStudySaturday! A 20-year-old female with a lower back rash & burning pain after being stepped on by a horse. Routine aerobic cultures surprisingly yielded the pathogen… Comment your guess below. asm.social/36s #ASMClinMicro

Sep 26, 2026 · 3:02 PM UTC

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Replying to @ASMicrobiology
Bacillus anthracis? The horse exposure + unusual skin lesion and recovery on routine aerobic culture makes this an intriguing case.
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Replying to @ASMicrobiology
Going with B, dermatophyte. Septate hyphae with arthroconidia and macroconidia after equine trauma fits well. Likely a zoophilic species.
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Replying to @ASMicrobiology
sciqst.
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