Health Data Science / 2021 / Article / Fig 4

Research Article

Mobile Phone-Based Population Flow Data for the COVID-19 Outbreak in Mainland China

Figure 4

Distribution of outbound flows and diagnosed cases for selected provinces: Henan, Hunan, Anhui, Zhejiang, Guangdong, Jiangxi, and Sichuan, Beijing, Shanghai, and Chongqing. Hubei province is filled with black in the middle of the map. The black spots in other provinces represent the movements at the district level; the green circle represents the number of diagnosed cases; the thermodynamic chart of nine provinces represents the distribution of outbound movements in these provinces.