Cao Jinming, Jiang Xia, Zhao Bin, Models and data Analysis of the Outbreak Risk of COVID-19, International Journal of Coronaviruses, Volume 1, Issue 4, 2021, Pages 26-32, ISSN 2692-1537, https://doi.org/10.14302/issn.2692-1537.ijcv-20-3383. (https://openaccesspub.orgijcv/article/1444) Keywords: Coronavirus; Logistic growth model; Infection prediction and prevention