Invasive Haemophilus influenzae Type b Disease in Children <5 Years of Age in Minnesota and in Dallas County, Texas, 1983-1984

Trudy V. Murphy, Dan M. Granoff, Lynne M. Pierson, Patricia Pastor, Karen E. White, Joe F. Clements, Michael T Osterholm

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

During 1983 and 1984, 733 cases of invasive Haemophilus influenzae type b disease in children <5 years of age were identified in Minnesota and in Dallas County, Texas. The overall incidence of disease was lower in Minnesota than in Dallas County. However, among urban residents, the rates of disease for whites were similar in the two areas. A higher rate of disease among whites in urban Minnesota compared with rural Minnesota resulted from an increased rate of cases for diagnoses other than meningitis. Local practices might have affected the rate of certain diagnoses, since ascertainment of Hib disease other than meningitis is more dependent on diagnostic practices than is diagnosis of meningitis. These data suggest that the incidence of invasive H. influenzae type b disease is influenced by the racial composition of the population, the rates of disease in specific subgroups, and possibly by local medical practices. Understanding the factors that contribute to the incidence of disease is necessary to interpret variations in different populations and changes over time.

Original languageEnglish (US)
Pages (from-to)S7-S10
JournalJournal of Infectious Diseases
Volume165
DOIs
StatePublished - Jun 1992

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