WebJun 11, 2024 · Haemophilus influenzae is a small (1 µm X 0.3 µm), pleomorphic, gram-negative coccobacillus. News & Perspective Drugs & Diseases CME & Education Academy Video ... Gram stain. Test results on body fluids from various sites of infection that reveal small, gram-negative, pleomorphic coccobacilli with polymorphonuclear cells are strong … WebHaemophilus influenzae is a Gram-negative, facultatively anaerobic coccobacillus, which can cause acute bronchitis and exacerbations of chronic obstructive pulmonary disease, as well as meningitis. Haemophilus parainfluenzae is also a Gram-negative, facultatively anaerobic coccobacillus—part of the HACEK group—that cause about 3% of ...
Haemophilus influenzae: Photos CDC
Haemophilus influenzae (formerly called Pfeiffer's bacillus or Bacillus influenzae) is a Gram-negative, non-motile, coccobacillary, facultatively anaerobic, capnophilic pathogenic bacterium of the family Pasteurellaceae. The bacteria are mesophilic and grow best at temperatures between 35 and 37℃. H. influenzae was first explained in 1893 by Richard Pfeiffer during an influenz… WebGram stain: Gram-stained smear of CSF in meningitis shows pleomorphic long and filamentous form predominate while in sputum coccobacillary forms. Immunofluorescence and quellung reaction: For a direct demonstration of H. influenzae after mixing with specific tube b antiserum. tree service ironton ohio
Haemophilus Influenzae - StatPearls - NCBI Bookshelf
WebHaemophilus is a genus of Gram-negative, pleomorphic, coccobacilli bacteria belonging to the family Pasteurellaceae. [2] [3] While Haemophilus bacteria are typically small coccobacilli, they are categorized as pleomorphic bacteria because of the wide range of shapes they occasionally assume. WebChemoorganotrophic. Aerobic growth in H. influenzae needs X-factor (hemin) and V-factor (NAD) or (NADP), both found in lysed red blood cells. All species can attack carbohydrates fermentatively, yielding various acids (i.e. acetic, lactic, and succinic) as end products in glucose broth. WebPhotos of the Bacteria and Images of People Affected by the Disease. Cerebrospinal fluid culture positive for Haemophilus influenzae type b (Gram stain). Infant with severe vasculitis with disseminated intravascular coagulation (DIC) with gangrene of the hand secondary to Haemophilus influenzae type b septicemia. tree service klamath falls