Emerg Infect Dis. 2020 Jun;26(6):1341-1343. doi: 10.3201/eid2606.200357. Epub 2020 Jun 17.
We estimate the distribution of serial intervals for 468 confirmed cases of coronavirus disease reported in China as of February 8, 2020. The mean interval was 3.96 days (95% CI 3.53-4.39 days), SD 4.75 days (95% CI 4.46-5.07 days); 12.6% of case reports indicated presymptomatic transmission.
我们估计了截至 2020 年 2 月 8 日中国报告的 468 例确诊的冠状病毒疾病病例的连续间隔分布。平均间隔为 3.96 天(95%CI3.53-4.39 天),标准差为 4.75 天(95%CI4.46-5.07 天);有 12.6%的病例报告表明存在症状前传播。