從 0: 00 至 24: 00 on December 15, 31 省份 (自治區、直轄市) 新疆生產建設兵團報導 12 newly confirmed cases, all of which were imported from overseas (3 上海案例, 3 廣東案例, 2 cases in Yunnan, 1 case in Beijing, 1 case in Tianjin, 1 case in Fujian and 1 case in Shandong); 沒有新的死亡; One new suspected case was imported from abroad (in Shandong). 在那一天, 9 新增病例治愈出院, 728 密切接觸者已解除醫學觀察, 和 1 serious case increased compared with the previous day. 266 確診病例 (包括 5 嚴重病例) 和 3 suspected cases were imported from overseas. 總共 4061 cases were confirmed and 3795 cases were cured without death. 作為 24: 00 on December 15th, 據報導 31 省份 (自治區、直轄市) 和新疆生產建設兵團, 有 315 確診病例 (包括 8 嚴重病例), 81,821 discharged cases, 4,634 dead cases, 86,770 確診病例和 3 疑似病例.
總共 889,134 close contacts were tracked and 6,898 密切接觸者仍在接受醫學觀察. 31 省份 (自治區、直轄市) 新疆生產建設兵團報導 9 新增無症狀感染者 (4 從國外進口); One case was confirmed on the same day (從國外進口); Five cases were released from medical observation on the same day (all imported from abroad); 有 199 正在接受醫學觀察的無症狀感染者 (181 從國外進口). 總共 8509 確診病例來自香港, 澳門和台灣. 他們之中, 有 7721 香港特別行政區的個案 (6345 案件出院和 123 病例死亡), 46 澳門特別行政區個案 (46 案件出院) 和 742 cases in Taiwan (611 案件出院和 7 病例死亡).