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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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An Anopheles gambiae mosquito photographed by CDC medical illustrator James D. Gathany.

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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