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Transplant & Immunocompromised
The Scar That Never Healed
A 19-year-old immigrant with infantile BCG lymphadenitis, a childhood Serratia lung abscess, a staphylococcal hepatic abscess, and now a cavitary pneumonia — the phagocyte defect behind a lifetime of catalase-positive infections.
Sep 17, 2026
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Don't Treat the Scan: When Imaging Lags Behind Infection Recovery
A literature-based ID essay on residual abdominal collections, vertebral osteomyelitis MRI, and follow-up endocarditis imaging, with one central lesson: don't treat the scan in isolation.
May 13, 2026
Essay
New Hardware, Old Infection: When Should We Suppress After Endocarditis Surgery?
A bedside question about prosthetic valve endocarditis, aortic root abscess, new hardware in an infected field, and when suppressive therapy actually fits after surgery.
Apr 20, 2026
Essay
Soil, Streptomyces, and the Microbes That Changed Medicine
Sometimes the biggest revolutions are right beneath our feet
Feb 6, 2026
HistorID
This week in ID history

1818-1897
The Mosquito Named Useless
A mosquito genus was given a name that meant useless before anyone knew it would help explain one of history's great killing fevers. Anopheles began as taxonomy. By the end of the 19th century, the word had become part of malaria's machinery.
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An interactive assistant for Infectious Diseases clinical reasoning.
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Objectives, key concepts, guidelines, pearls, cases, and self-assessment questions across 12 core topics. Work through a module in order or jump to whatever you are seeing on the wards.
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