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The traditional landscape of dermatophyte infections has changed over the past decade. In #ClinMicroRev: an overview of currently recognized dermatophyte species, complexes & genera, describing phylogenetic, ecological, and biochemical relatedness. asm.social/36x

KOH wet mounts of nail tissue containing dermatophyte hyphae with arthroconidia, stained with Parker Ink (A and B), viewed under a light microscope, and calcofluor white (C), viewed using a fluorescence microscope with ultra-violet light. Images in panels A and B: Sarah Kidd, School of Biological Sciences, Adelaide University.
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Scrub typhus, caused by Orientia tsutsugamushi, remains a major cause of acute undifferentiated febrile illness with an expanding global footprint. Learn about its clinical signatures, immunopathogenesis and diagnostic implications in #ClinMicroRev: asm.social/35d

Trombiculid life cycle and stylostome-mediated feeding. The life cycle comprises free-living soil stages and a single parasitic larval stage. The chigger injects saliva to digest host tissues, and the saliva solidifies with host exudates to form a hardened feeding tube, the stylostome.