As many as 87 local cases of COVID-19 were reported on the Chinese mainland on Thursday. Most of these recent clusters in China are transmissions from overseas. More and more countries are reopening borders and loosening travel restrictions, with some even adopting a "living with COVID" policy. Will their policies counteract China's efforts to combat the virus? CGTN's "Global Watch" talked to Prof. Wu Zhiwei, director of the Center for Public Health Research from Nanjing University's Medical School. He said imported infections may put pressure on China's border control efforts.