Additional file 2 of A versatile web app for identifying the drivers of COVID-19 epidemics

Additional file 2: Three training videos are available with links provided by selecting the instructional material button at the http://covid-webapp.numerusinc.com/ Home page. Direct links to these videos are: Training video 1, https://www.youtube.com/watch?v=iK4VSdiMOC4 ; Training video 2, https://www.youtube.com/watch?v=ZBdwZaknyj4&t=604s ; Traning video 3, https://www.youtube.com/watch?v=NtwcCGDog_o .附加文件2：可获取三个训练视频，获取方式为访问http://covid-webapp.numerusinc.com/ 主页并选择“教学材料”按钮。以下为这些视频的直接链接：训练视频1：https://www.youtube.com/watch?v=iK4VSdiMOC4；训练视频2：https://www.youtube.com/watch?v=ZBdwZaknyj4&t=604s；训练视频3：https://www.youtube.com/watch?v=NtwcCGDog_o。