While that approach had contained the pandemic in China for "quite some time," the restrictions were now proving to be a burden to the Chinese and global economies, given China's role as a key supplier of goods, she told a World Economic Forum virtual panel.

She said the slowdown in economic growth in China was due to interruptions caused by COVID-19 and the fact that consumption had not picked up as much as expected.

(Reporting by Andrea Shalal and David Lawder; Editing by Chizu Nomiyama)