
Haemophilus influenzae type b (Hib) vaccine
The Haemophilus influenzae type b (Hib) vaccine protects against a bacteria that can cause serious infections like meningitis, pneumonia, and epiglottitis, primarily in young children. The vaccine works by stimulating the immune system to recognize and fight the bacteria if exposed, preventing illness. Usually given in multiple doses during infancy and early childhood, the Hib vaccine is highly effective and has significantly reduced the incidence of Hib-related diseases worldwide. It is safe, well-tolerated, and a key part of childhood immunization schedules to ensure long-term protection.