Temporal dynamics in viral shedding and transmissibility of COVID-19
https://www.nature.com/articles/s41591-020-0869-5
のRのコード
https://github.com/ehylau/COVID-19/blob/master/Fig1c_Rscript.R
と
西浦モデルのコード
https://nbviewer.jupyter.org/github/contactmodel/COVID19-Japan-Reff/blob/master/scripts/C.%20Calculating%20the%20Rt%20in%20Stan.ipynb

から発症間時間(serial interval)の分布を重ねてみた。

https://i.imgur.com/vrnra5F.png

> c(Mode,mean,var) # Xi He
[1] 3.630563 5.982241 20.728221

> c(Mode,mean,var) # Nishiura
[1] 4.259623 4.830129 4.940682