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"The production standards of diagnostic kits vary from different producers and the differences might negatively affect the test results, Chen said, adding that manual errors during the intense amount of tests can also be minimized.

Ten foreign experts won the International Science and Technology Cooperation Award.

In 2018, Xi visited Jihaoyeqiu's ramshackle home. He checked the family's living conditions and asked whether they had enough to eat and wear. In a later conversation, one of Jihaoyeqiu's fellow ethnic Yi villagers said she used to believe that she was haunted by ghosts as she often fell sick.

Party organizations at all levels, Party members and officials should follow Xi's instruction, as well as consolidate and develop the sweeping victory in the fight against corruption, said Zhao.

He said that it had long been an open secret that relevant departments in the United States, in violation of international law and basic norms governing international relations, had been engaging in large-scale, organized and indiscriminate cyber stealing, spying and surveillance activities on foreign governments, enterprises and individuals.