Hebei prevented 120,000 people from being infected with new crown swabs Zhong Nanshan praised Hebei: Due to strong intervention, Hebei avoided 120,000 people from being infected with new crown swabs Recently, at the launch event of “Guangzhou Laboratory Science and Technology Helping Grassroots Epidemic Prevention and Control”, Zhong Nanshan, director of Guangzhou Laboratory and academician of the Chinese Academy of …