USA - American factories in China are warning that they do not have enough staff to get their production lines fully back online as plants re-open after the extended coronavirus shutdown. Nearly 80 percent of US businesses in the Shanghai area say they lack the manpower to run at full speed, according to the American Chamber of Commerce in Shanghai. Forty-one percent said their biggest challenge in the next two to four weeks will be a lack of workers. Thirty percent said logistics issues will be their biggest concern. The lack of staff raising the prospects of disruptions to global supply chains. The economic fallout from the coronavirus could include hits to production in regions, including the US, where the virus itself has been scarce but which are dependent on Chinese inputs for goods.