Infections of the nervous system caused by bacteria of the genus HAEMOPHILUS, and marked by prominent inflammation of the MENINGES. HAEMOPHILUS INFLUENZAE TYPE B is the most common causative organism. The condition primarily affects children under 6 years of age but may occur in adults.

Synonyms: Meningitis, Haemophilus, Meningitides, Haemophilus parainfluenzae, Haemophilus Meningitis, Type B Hemophilus influenzae Meningitis, Meningitides, Haemophilus, Type B Haemophilus influenzae Meningitis, Hemophilus Meningitis, Meningitides, Hemophilus, Meningitis, Hemophilus influenzae, Type B, HiB Meninigitis, Haemophilus parainfluenzae Meningitides, Hemophilus influenzae Meningitis Type B, Meningitis, Haemophilus influenzae Type F, Haemophilus parainfluenzae Meningitis, Meningitis, Hemophilus influenzae Type F, Meningitis, Hemophilus, Meningitis, Haemophilus parainfluenzae, Meninigitis, HiB, Hemophilus Meningitides, Haemophilus influenzae Meningitis Type B, Haemophilus Meningitides