What are the racial predilections in prevalence of Haemophilus influenzae infections?

Updated: Jun 11, 2021
  • Author: Joseph Adrian L Buensalido, MD; Chief Editor: Pranatharthi Haran Chandrasekar, MBBS, MD  more...
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The frequency of Hib disease is especially high in certain ethnic groups, including African Americans, American Indians (eg, Alaskan Eskimos, Navajo, Apache, Yakima, Athabaskan), and Australian Aborigines. Prior to availability of the Hib vaccine, the incidence of invasive disease was 10% higher in American Indians and Alaskan native children than the rest of the US population. The rate of Hib disease among rural Alaskan native children is high (5.4 per 100,000) despite Hib vaccination. [31]

In Queensland, Australia, the yearly incidence rate in all children younger than 5 years was 7.4 per 100,000, but the indigenous children (aboriginal and Torres Strait Islander) of the same ages appeared to be more vulnerable, with an annual incidence rate of 10.2 per 100,000. [32]

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