. 2021 Feb 16;7(2):e24204. doi: 10.2196/24204
©Dayong Gu, Jianan He, Jie Sun, Xin Shi, Ying Ye, Zishuai Zhang, Xiangjun Wang, Qun Su, Wenjin Yu, Xiaopeng Yuan, Ruiling Dong. Originally published in JMIR Public Health and Surveillance (http://publichealth.jmir.org), 16.02.2021.
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Figure 4.
Detailed information provided by the Global Infectious Diseases Epidemic Information Monitoring System.