Table 1 Estimation results for Richards model parameters for various time periods of Canadian daily laboratory-confirmed pandemic H1N1 virus data by onset date
Time period (date posted) | Model duration | Turning point ti(95% CI) | Growth rate r (95% CI) | Turning point ti | R0(95% CI) | R0#(95% CI) |
|---|---|---|---|---|---|---|
4/13-5/15 (5/20) | 4/13-5/6 | 14.70 (0.32, 29.09) | 0.14 (0.12, 0.17) | 4/28 | 1.32 (1.17, 1.46) | 1.68 (1.45, 1.91) |
| Â | 5/6-5/15 | 1.59 (0*, 4) | 0.66 (0.57, 0.74) | 5/8 | 3.49 (1.80, 5.19) | 10.57 (4.79, 16.36) |
4/12-5/27 (6/3) | 4/12-5/27 | 25.70 (20.67, 30.73) | 0.13 (0.10, 0.16) | 5/8 | 1.28 (1.14, 1.42) | 1.60 (1.37, 1.82) |
4/11-6/5 (6/10) | 4/11-5/6 | 17.84 (6.72, 28.97) | 0.14 (0.11, 0.17) | 4/29 | 1.30 (1.16, 1.45) | 1.64 (1.40, 1.88) |
| Â | 5/6-6/5 | 15.14 (0*, 93.02) | 0.09 (0.06, 0.11) | 5/22 | 1.18 (1.09, 1.27) | 1.37 (1.22, 1.52) |
4/12-6/19 (6/26) | 4/12-5/4 | 16.85 (0*, 49.04) | 0.14 (0.09, 0.19) | 4/29 | 1.30 (1.12, 1.47) | 1.63 (1.31, 1.96) |
| Â | 5/4-6/19 | 31.15 (28.83, 33.47) | 0.13 (0.11, 0.16) | 6/4 | 1.29 (1.15, 1.53) | 1.62 (1.40, 1.84) |