Invasive Haemophilus influenzae disease caused by non-type b strains in Northwestern Ontario, Canada, 2002-2008.

Brown, Veronica M; Madden, Sharen; Kelly, Len; Jamieson, Frances B; Tsang, Raymond S W; Ulanova, Marina · Clin Infect Dis · 2009

retrospective_cohort · Level III

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Abstract

A high incidence of invasive non-type b Haemophilus influenzae disease was found in Northwestern Ontario, Canada; H. influenzae type a was the most prevalent serotype (42%). Clinical and demographic analyses indicate that aboriginal children aged <5 years and adults with predisposing medical conditions are the most affected by invasive H. influenzae disease in the post-H. influenzae vaccine era.

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