This article is from the Childhood Vaccinations FAQ, by Lynn Gazis-Sax email@example.com with numerous contributions by others.
HiB is a bacteria which is one of the leading causes of meningitis in
young children. About 60% of cases are meningitis. The remaining 40%
are cellulitis, epiglottis, pericarditis, pneumonia, sepsis, and
septic arthritis. Mortality rate can be about 5%, and there are
neurologic sequelae in up to 38% of survivors.