https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3062527/
http://www.bcgatlas.org/
https://www.who.int/emergencies/diseases/novel-coronavirus-2019/situati…
https://ourworldindata.org/grapher/covid-confirmed-cases-since-100th-ca…
https://www.worldometers.info/coronavirus/
https://www.ecdc.europa.eu/en/novel-coronavirus-china
https://www.ecdc.europa.eu/en/publications-data/download-todays-data-ge…
https://covid2019app.live/live
https://www.reddit.com/r/datasets/comments/exnzrd/coronavirus_datasets/