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Serial Interval of COVID-19 among Publicly Reported Confirmed Cases

Zhanwei Du, Xiaoke Xu, Ye Wu and 3 more

Emerging Infectious Diseases · 2020

doi:10.1101/2020.02.19.20025452

Abstract

Short Abstract We estimate the distribution of serial intervals for 468 confirmed cases of COVID-19 reported in 93 Chinese cities by February 8, 2020. The mean and standard deviation are 3.96 (95% CI 3.53-4.39) and 4.75 (95% CI 4.46-5.07) days, respectively, with 12.6% of reports indicating pre-symptomatic transmission. One sentence summary We estimate the distribution of serial intervals for 468 confirmed cases of COVID-19 reported in 93 Chinese cities by February 8, 2020.

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