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Updated: Aug 10, 2026

Tractable Mammalian Cell Infections with Protozoan-primed Bacteria
Published on: April 2, 2013
Legionella micdadei (Pittsburgh pneumonia agent). Two infections with unusual clinical features
Abstract:
We describe herein the clinical features, diagnosis, and successful treatment of two patients with Legionella micdadei pneumonia, the Pittsburgh pneumonia agent. The rapid pulmonary cavitation and relapse of symptoms after a course of therapy in a renal transplant recipient, and the prolonged illness with hemorrhagic pleural fluid, splenomegaly, and multiple-organ dysfunction in a nonimmunocompromised host, illustrate the clinical spectrum of infections with this organism.
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