China’s zero-Covid policy keeps infections and deaths low at considerable economic and societal cost. Last week, unfounded rumors of a departure from the costly policy sent Chinese stocks surging. Health officials say they will continue to eliminate Covid cases as soon as they arise. Advertisement Despite public outcry that its zero-Covid policy is costing lives, China remains steadfast. Last week, unfounded rumors of a departure from the costly policy sent Chinese stocks surging, but at a news conference Saturday, Chinese health officials vowed to continue the country’s zero-tolerance approach to eliminating Covid cases as soon as they arise. As new...