Haemophilus influenzae
Haemophilus influenzae: A Comprehensive Overview
Description
Haemophilus influenzae is a Gram-negative bacterium that commonly colonizes the nasopharynx of humans, particularly during infancy and early childhood. It is characterized by its ability to cause a wide range of infections, from mild respiratory conditions to life-threatening diseases.
Associated Diseases
H. influenzae is most commonly associated with the following diseases:
- Meningitis: A serious infection of the brain and spinal cord membranes.
- Pneumonia: An inflammation of the lung tissues.
- Epiglottitis: An inflammation of the epiglottis, a small flap of tissue that prevents food from entering the windpipe.
- Cellulitis: A bacterial infection of the skin and soft tissues.
- Sepsis: A life-threatening condition caused by an overwhelming infection.
Did you Know ?
Before the introduction of the Hib vaccine, H. influenzae type b (Hib) was a major cause of meningitis and other severe infections in children under the age of 5. The Hib vaccine has been highly effective in preventing these infections, leading to a dramatic decline in Hib-related diseases.