title: An unusual case of fatal macrophagic pneumonia in a 12-days old infant, caused by a gram-negative Legionella-like microorganism.
mesh_terms: D001424:Bacterial Infections / Q000473:pathology*; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000382:microbiology / Q000473:pathology*; D007875:Legionella; D007877:Legionnaires' Disease / Q000382:microbiology / Q000473:pathology*; D008168:Lung / Q000473:pathology; D008264:Macrophages / Q000473:pathology; D008297:Male; D011014:Pneumonia / Q000473:pathology*