Table 8 Infection attack rates (IAR) per cluster and age-group with 95% C.I
From: Estimating disease burden of a potential A(H7N9) pandemic influenza outbreak in the United States
IAR (in % for R0 = 1.5) | IAR (in % for R0 = 1.8) | |||||
|---|---|---|---|---|---|---|
Cluster 1 | Cluster 2 | Cluster 3 | Cluster 1 | Cluster 2 | Cluster 3 | |
< = 19 yrs | 24.61 | 27.00 | 32.41 | 32.99 | 37.89 | 41.91 |
(22.67–26.55) | (25.17–28.83) | (29.98–34.84) | (30.63–35.35) | (35.31–40.47) | (38.74–45.08) | |
20 – 64 yrs | 13.85 | 14.26 | 15.84 | 18.56 | 18.89 | 20.79 |
(12.76–14.94) | (13.29–15.23) | (14.66–17.02) | (17.23–19.89) | (17.61–20.17) | (19.24–22.34) | |
65 + yrs | 12.48 | 14.18 | 16.01 | 16.15 | 19.01 | 22.39 |
(11.5–13.46) | (13.21–15.15) | (14.8–17.22) | (14.99–17.31) | (17.72–20.3) | (20.72–24.06) | |