Haemophilus influenzae meningitis

Haemophilus influenzae meningitis

Neurology A bacterial meningitis most common in unimmunized children from 1 month to 4 yrs; Hib ↓ HIM after a URI Clinical May be abrupt, spread from the nasopharynx to the circulation, then meninges; absent therapy, rapidly fatal Risk factors Hx of otitis media, sinusitis, pharyngitis or other URI, Hx of H influenzae infection in family; native American Indian and Eskimos > 3 times that of the average population; day-care