The National Health Commission reported on August 17 that from 0:00 to 24:00 on August 16, 31 provinces (autonomous regions and municipalities directly under the central government) and Xinjiang production and Construction Corps reported 637 new confirmed cases of COVID-19. Among them, there were 71 imported cases (21 in Beijing, 14 in Guangdong, 8 in Liaoning, 7 in Shanghai, 5 in Fujian, 4 in Jilin, 4 in Shandong, 4 in Yunnan, 3 in Jiangsu and 1 in Sichuan), including 12 cases from asymptomatic infections to confirmed cases (4 in Beijing, 4 in Liaoning, 3 in Guangdong and 1 in Shandong); There were 566 local cases (482 in Hainan, 35 in Zhejiang, 16 in Tibet, 9 in Guangdong, 8 in Fujian, 6 in Shaanxi, 4 in Sichuan, 2 in Qinghai, 1 in Beijing, 1 in Jiangsu, 1 in Shandong and 1 in Yunnan), including 33 cases from asymptomatic infections to confirmed cases (21 in Zhejiang, 5 in Tibet, 3 in Guangdong, 2 in Sichuan, 1 in Shandong and 1 in Hainan). There were no new deaths. There were no new suspected cases. On the same day, 140 new cured and discharged cases were added, including 47 imported cases and 93 local cases (50 in Hainan, 13 in Sichuan, 10 in Inner Mongolia, 10 in Guangxi, 4 in Gansu, 2 in Guangdong, 1 in Beijing, 1 in Shandong, 1 in Chongqing and 1 in Tibet). 12611 people were released from close contact with medical observation, and 2 severe cases were increased from the previous day. There were 704 confirmed cases (no severe cases) and no suspected cases imported from abroad. There were 21712 confirmed cases, 21008 cured discharged cases, and no death cases. As of 24:00 on August 16, according to the reports of 31 provinces (autonomous regions and municipalities directly under the central government) and Xinjiang production and Construction Corps, there were 6844 confirmed cases (including 18 serious cases), 224828 discharged cases cured, 5226 dead cases, 236898 confirmed cases reported, and no existing suspected cases. A total of 4960562 close contacts were tracked, and 223408 close contacts were still under medical observation. 31 provinces (autonomous regions and municipalities directly under the central government) and Xinjiang production and Construction Corps reported 2399 new asymptomatic infections, including 77 imported cases, There were 2322 local cases (1181 in Hainan, 670 in Tibet, 307 in Xinjiang, 56 in BINGTUAN, 22 in Zhejiang, 18 in Jiangxi, 13 in Qinghai, 10 in Jiangsu, 10 in Shaanxi, 6 in Hubei, 4 in Shanghai, 4 in Sichuan, 4 in Yunnan, 3 in Shandong, 3 in Chongqing, 2 in Inner Mongolia, 2 in Henan, 2 in Guangdong, 2 in Guangxi, 1 in Beijing, 1 in Guizhou and 1 in Gansu). On the same day, 327 asymptomatic infections were released from medical observation, including 47 imported from abroad and 280 from China (68 from Guangxi, 57 from Xinjiang, 25 from Gansu, 23 from Hainan, 22 from Shandong, 20 from Henan, 20 from BINGTUAN, 8 from Sichuan, 7 from Inner Mongolia, 6 from Zhejiang, 6 from Yunnan, 6 from Tibet, 4 from Jiangxi, 4 from Guangdong, 2 from Shanghai, 1 from Hebei and 1 from Guizhou); 45 cases were confirmed on the same day (12 imported from abroad); Asymptomatic infections still under medical observation