Over 40 million Chinese have come under lockdown due to a surge in coronavirus cases as the government in Beijing continues to pursue a radical zero-tolerance policy amid skepticism about its effectiveness in the face of the highly infectious Omicron variant.The lockdowns in at least four cities, including in the southern technology hub of Shenzhen with 17 million residents, come as virus cases in the country are increasing at the fastest pace since the initial outbreak that began in the central city of Wuhan over two years ago.Also under lockdown as of Wednesday were Dongguan, an industria…READ FULL ARTICLE