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  1. About Haemophilus influenzae Disease | H. influenzae | CDC

    Sep 22, 2025 · Bacteria called Haemophilus influenzae can cause many types of infections. Some of these infections are mild, while others are serious. Despite its name, H. influenzae doesn't …

  2. Haemophilus - Wikipedia

    Haemophilus is a genus of Gram-negative, pleomorphic, coccobacilli bacteria belonging to the family Pasteurellaceae. [2][3] While Haemophilus bacteria are typically small coccobacilli, they …

  3. Haemophilus Influenzae: Symptoms, Causes & Treatment

    May 26, 2022 · Haemophilus influenzae (H. influenzae) is a type of bacteria that can cause several different kinds of infections. These bacterial infections can range from mild, such as …

  4. Haemophilus Infections - MedlinePlus

    Mar 20, 2025 · There are several types of Haemophilus. They can cause different types of illnesses involving breathing, bones and joints, and the nervous system. One common type, …

  5. Haemophilus Infections - Infectious Diseases - Merck Manual ...

    The gram-negative coccobacillus bacteria Haemophilus species cause numerous mild and serious infections, including bacteremia, meningitis, pneumonia, sinusitis, otitis media, …

  6. Haemophilus influenzae Infection - StatPearls - NCBI Bookshelf

    Apr 27, 2023 · Haemophilus influenzae is a bacteria characterized as a small, facultatively anaerobic, pleomorphic, and capnophilic gram-negative coccobacillus of the family …

  7. Haemophilus Influenzae Infections - Children's Hospital of Philadelphia

    Detailed information on Haemophilus influenzae, including causes, symptoms, diagnosis, transmission, treatment, and prevention.

  8. Haemophilus influenzae Infection: Causes, Symptoms, Diagnosis …

    Jul 24, 2023 · Explore the causes, symptoms, diagnosis, treatment options, and prevention strategies for Haemophilus influenzae infection, a bacterial infection that can cause various …

  9. Haemophilus | Description, Infectious Disease, Hib, & Vaccine

    Haemophilus, genus of bacteria that, though often coccobacillus, vary widely in shape in the family Pasteurellaceae. Haemophilus are gram-negative, aerobic or facultative anaerobic, and …

  10. Haemophilus influenzae is a bacteria that is found in the nose and throat of children and adults. Some people can carry the bacteria in their bodies but do not become ill.