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Arch Intern Med. 1990 Dec;150(12):2573-6.

Spectrum of invasive Haemophilus influenzae type b disease in adults.

Author information

1
National Public Health Institute, Helsinki, Finland.

Abstract

A prospective nationwide surveillance of invasive Haemophilus influenzae type b disease among adults (greater than or equal to 16 years old) was conducted in Finland during 1985 through 1988. Thirty-one cases were identified (annual incidence, 0.22/100,000). Of these infections, 71% occurred in patients with severe underlying conditions. The overall case fatality rate was 26%. Septicemia (13 patients) and pneumonia (seven patients) were the most common clinical manifestations of H influenzae type b infection; the others were epiglottitis (six patients), meningitis (three patients), and arthritis (two patients). Epiglottitis occurred in significantly younger patients, all of whom were women and four of whom were previously healthy. Subtyping of the H influenzae type b isolates according to the major outer membrane protein subtype, biotype, and lipopolysaccharide serotype showed that patterns that were uncommon (14%) among children were more common (27%) in the adults.

PMID:
2244774
[Indexed for MEDLINE]

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