gram-negative_bacterial_infectious_disease obsolete Haemophilus influenzae pneumonia true DOID:10527 A Haemophilus influenzae infectious disease that is caused by the strains of Haemophilus influenzae resulting in pleural effusions. This disease occurs in individuals with disorders that impaired the normal defense mechanisms and with pre-existing lung disease. H. influenzae causes bronchopneumonia making the patients wheezy and progressively more breathless. Haemophilus influenzae pneumonia (disorder) Pneumonia due to H. influenzae Pneumonia due to Hemophilus influenzae [H. influenzae] disease_ontology pneumonia due to hemophilus influenzae