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. Author manuscript; available in PMC: 2022 Nov 2.
Published in final edited form as: Clin Infect Dis. 2021 Jul 15;73(2):e371–e379. doi: 10.1093/cid/ciaa875

Table 3.

Average annual incidence (95% CI) of H. influenzae serotype a disease, by age and race, among children aged <5 years—United States and Alaska, 2008–2017

United States
Alaska
Age (years) White Black AI/AN Asian/PI Total White Black AI/AN Asian/PI Total
<1 1.45 (1.28-1.61) 1.22 (1.01-1.45) 17.78 (11.95-23.56) 0.00 (.00-.00) 1.60 (1.46-1.75) 0.00 (.00-.00) 0.00 (.00-.00) 82.39 (53.82-120.72) 8.64 (.22-48.15) 24.73 (16.3-35.99)
1 0.52 (.39-.64) 1.05 (.76-1.33) 16.07 (9.18-22.89) 0.00 (.00-.00) 0.86 (.72-1.00) 0.00 (.00-.00) 0.00 (.00-.00) 41.96 (22.34-71.75) 0.00 (.00-.00) 12.02 (6.40-20.55)
2–4 0.18 (.15-.21) 0.29 (.21-.37) 3.20 (1.68-4.71) 0.10 (.03-.16) 0.25 (.22-.29) 0.44 (.01-2.46) 0.00 (.00-.00) 4.31 (1.18-11.05) 0.00 (.00-.00) 1.53 (.50-3.57)

<5 0.50 (.45-.54) 0.64 (.55-.71) 8.29 (6.76-10.73) 0.06 (.04-.08) 0.64 (.60-.69) 0.27 (.01-1.49) 0.00 (.00-.00) 27.74 (20.07-37.40) 1.70 (0.04-9.45) 8.27 (6.03-11.07)

Abbreviations: AI/AN, American Indian and Alaska Native; CI, confidence interval; PI, Pacific Islander.

Note: Incidence presented in cases per 100,000 persons per year. Incidence in the United States is an estimated national incidence.