Fig. 5
From: Epidemiological and clinical characteristics of imported cases of COVID-19: a multicenter study
![Fig. 5](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12879-021-06096-6/MediaObjects/12879_2021_6096_Fig5_HTML.png)
Change of imported cases
From: Epidemiological and clinical characteristics of imported cases of COVID-19: a multicenter study
Change of imported cases