Shanghai has extended its stay-at-home order as reviews the results of a new round of COVID testing of the city’s 26 million residents conducted on April 4. The financial hub began it’s two-staged lockdown on March 28, which was to allow health workers to complete at least two rounds of mass testing. The curbs, which has severely disrupted daily life and business operations, was originally scheduled to be lifted on 5 a.m. local time on April 5. But in a notice released on April 4, Shanghai authorities announced the extension of lockdown, ordering residents not to step out of their homes before they complete the review of a new round of test results. They added that the mass screening was almost completed by late evening. Authorities did not indicate when the curbs would be lifed. Shanghai had tested over 32 million people during the staggered lockdown, city officials said at …