(Reuters) - CHINA ON SICK LEAVE A leap in coronavirus cases in Hubei gave markets pause - for all of 24 hours. Then attention shifted back to the global case-count and the rally resumed. But while investors are focused on containment, the world's second-biggest economy is idling. President Xi Jinping may have urged officials to refrain from "more restrictive measures," to limit the economic fallout but that's happening anyway. Steel mills lack supplies for want of drivers. Empty restaurants are..