id author title date pages extension mime words sentences flesch summary cache txt cord-282652-2w3bx6p8 Sun, Haoyang Estimating number of global importations of COVID-19 from Wuhan, risk of transmission outside mainland China and COVID-19 introduction index between countries outside mainland China 2020-02-20 .txt text/plain 4394 201 50 For each country or territory outside of mainland China (denoted by ), we assumed that the total number of COVID-19 cases imported from Wuhan ( ) followed a Poisson distribution with rate parameter proportional to the number of air travelers from Wuhan during January 2020 ( → , ), with an unknown coefficient 0 to be estimated from data (more detail in supporting information): Next, we propagated the uncertainty in the estimated number of imported COVID-19 cases from Wuhan, and estimated the probability that a local outbreak would occur and sustain for at least three generations (hereinafter referred to as "local outbreak risk") for each country or territory outside mainland China. The copyright holder for this preprint Table 2 : Countries or territories having a local outbreak risk greater than 50% in the main analysis (i.e. assuming immediate isolation of all the reported cases imported from Wuhan). ./cache/cord-282652-2w3bx6p8.txt ./txt/cord-282652-2w3bx6p8.txt