Yang 2020.

Study characteristics
Study design	Mathematical modelling study Description: SEIR Model describing the case data internationally as one global system Includes mobility data, social distancing, case isolation Stochastic approach with time dependent parameters
Disease	COVID‐19
Travel‐related control measure(s)	Border closure Shutdown in Wuhan; complete international travel ban were executed from different time points Date of implementation: January ‐ October 2020 with various simulations using different start dates
Country implementing the measure(s)	Country protected by the measure: multiple countries: Hubei, China, US, Switzerland, Sweden, Austria, France, UK, Germany, Spain, Italy, Netherlands, Belgium, Denmark Country: restricted by the measure: all other countries
Outcome(s)	Cases avoided due to the measure Outcome: number of daily cases Follow‐up: January ‐ October 2020
Notes	COI: “The authors declare no competing interests.” Funding: “Funding was provided by National Natural Science Foundation of China (Grant Nos. 71974011, 71972012,71804009) and Beijing Social Science Fund (Grant Nos. 17JDGLB008, 17GLC043). Special Fund for Joint Development Program of Beijing Municipal Commission of Education.”