Emerg Infect Dis. 2021 Jan;27(1):267-70. doi: 10.3201/eid2701.202114. Epub 2020 Oct 20.
On March 11, 2020, Italy imposed a national lockdown to curtail the spread of severe acute respiratory syndrome coronavirus 2. We estimate that, 14 days after lockdown, the net reproduction number had dropped below 1 and remained stable at »0.76 (95% CI 0.67-0.85) in all regions for >3 of the following weeks.
2020 年 3 月 11 日,意大利实施全国封锁以遏制严重急性呼吸综合征冠状病毒 2 的传播。我们估计,封锁后 14 天,有效繁殖数已降至 1 以下,并在接下来的 >3 周内稳定在所有地区均为 >0.76(95%CI 0.67-0.85)。