Table 1.
Age-specific burden of total circulating norovirus in the United Kingdom population, 2009.
| Age group | No. infected | Person years | Infections/1000 person years (95%CI) | Infections/1000 person years from IID2 studya |
|---|---|---|---|---|
| All ages | 276 | 4658.6 | 59.64 (52.3–64.9) | 47 (39.1–56.5) |
| <1 | 6 | 26.9 | 238.02 (186.1–446.6) | 178.2 (70.5–450.0) |
| 1–4 | 34 | 190.8 | 179.83 (141.5–241.1) | 137.3 (92.6–203.4) |
| 5–14 | 28 | 424.1 | 66.65 (40.1–101.4) | 59.6 (36.8–96.5) |
| 15–64 | 126 | 2647.8 | 47.55 (34.7–58.2) | 39.0 (31.3–48.7) |
| 65+ | 45 | 1369.1 | 32.66 (20.4–45.3) | 27.7 (19.6–39.1) |
| ⩾5 | 40 | 217.6 | 183.82 (147.1–266.5) | 142.6 (99.8–203.9) |
| ⩽5 | 199 | 4441.0 | 44.81 (29.7–66.2) | 37.6 (31.5–44.7) |
a
Published in: [16].