Figure 4

The spatiotemporal distributions of the COVID-19 epidemic in six Chinese cities. In figure (A) Yueyang, the first visit date replaced the earliest date of clinical symptoms as it was unavailable. Shenzhen did not provide the “No information” item. This graph was produced using ArcGIS 10.6. https://www.esri.com; the base map is from China Standard Map Service. http://bzdt.ch.mnr.gov.cn/.