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He said it is imperative that countries pool their strengths and speed up research and development of drugs, vaccines and testing capabilities in the hope to achieve early breakthrough to the benefit of all.

"In April, the number of tourists who made online bookings increased by 300 percent from March," said Yu Xiaojiang with Trip.com Group, noting that over 4,000 tourist attractions in China have launched online booking access.

Public health security is a common challenge faced by humanity, and all countries should join hands to cope with it, Xi said.

Some grades of primary and secondary schools in all provincial-level areas in China have decided to resume classes, said Wang Dengfeng, director of the MOE leading group office on the COVID-19 response, noting the estimated intensive classes resumption in May will be a big test for education authorities.

BEIJING, March 21 (Xinhua) -- A draft law on inspectors serving within supervisory commissions has been submitted to the National People's Congress Standing Committee, an official with the top supervisory agency announced Saturday.