Haemophilus influenzae disease refers to any infection caused by H. influenzae bacteria. Learn more about H. influenzae disease and how to prevent it. Types of H. influenzae Infections.
Haemophilus influenzae (formerly called Pfeiffer's bacillus or Bacillus influenzae) is a Gram-negative, coccobacillary, facultatively anaerobic pathogenic bacterium belonging to the Pasteurellaceae family. H. influenzae was first described in 1892 by Richard Pfeiffer during an influenza pandemic.. The bacterium was mistakenly considered to be the cause of influenza until 1933, when the viral Class: Gammaproteobacteria.
Haemophilus influenzae infections in adults: report of nine cases and a review of the literature. Hirschmann JV, Everett ED. Haemophilus influenzae is an aerobic pleomorphic gram-negative coccobacillus that requires both X and V factors for growth. It grows poorly, if at all, on ordinary blood agar unless streaked with Staph. aureus.Cited by: 157.
Haemophilus influenzae (H. influenzae) is a group of bacteria that can cause different types of infections in babies and children. H. influenzae most often cause ear, eye, or sinus infections. They also cause pneumonia. A strain of the bacteria that causes more serious disease is called H. influenzae type b.