Haemophilus influenzae type B vaccine is a conjugate vaccine for the prevention of infectious disease caused by Haemophilus influenzae type b bacteria. The Haemophilus influenzae (Hib) vaccine have reduced childhood meningitis. A Hib bacterium is a Gram-negative, coccobacillar, facultative anaerobic pathogenic bacterium.
Hib causes bacteremia, pneumonia, epiglottitis and acute bacterial meningitis. It causes cellulitis, osteomyelitis, and infectious arthritis. It causes epiglottitis, Pneumonia- Fever, Cough, Chills, Sweating, Chest pain, Bacteremia- Diarrhea, and Vomiting and Meningitis. Treatment of Hib infection includes Cortisone and antibiotics like Cefotaxime, Clarithromycin and fluoroquinolones.
The average in recent years (2006–2012) is 0.08 cases per 100,000 populations (range 0.05 to 0.14). Incidence of invasive Hib disease is age-dependent. Between 2006 and 2012, 38% of reported invasive Hib cases occurred among children younger than 5. Of these cases, 64% of children were younger than a year old.