Fig. 1.

Changes of overall GI endoscopy activities in the 31 provinces of mainland China between January 1 to April 10, 2019 and the same period of 2020. (Northeast region: HL, Heilongjiang; JL, Jilin; LN, Liaoning. East region: BJ, Beijing; FJ, Fujian; GD, Guangdong; HaN, Hainan; HeB, Hebei; JS, Jiangsu; SD, Shandong; SH, Shanghai; TJ, Tianjin; ZJ, Zhejiang. Central region: AH, Anhui; HeN, Henan; HuB, Hubei; HuN, Hunan; JX, Jiangxi; SX, Shanxi. West region: GS, Gansu; GX, Guangxi; GZ, Guizhou; IM, Inner Mongolia; NX, Ningxia; QH, Qinghai; ShX, Shaanxi; SC, Sichuan; XZ, Tibet; XJ, Xinjiang; YN, Yunnan; CQ, Chongqing. HK, Hong Kong; MAC, Maocau; TW, Taiwan)