Residents of Hubei province, the epicenter of China’s coronavirus outbreak, resumed a more normal daily life routine as factories and other businesses reopened Wednesday, possibly offering encouragement to the U.S. and other affected nations. Health experts around the world are carefully watching the pandemic as it plays out in China, where the virus originated, for clues to how the new COVID-19 coronavirus strain works its way through a target population. At first overwhelmed by new cases and outbreaks, Chinese officials are reporting a sharply declining number of new cases in recent days. Food processors, manufacturers and other businesses essential for...