The Covid-19 pandemic has sent the global economy into one of its worst recessions ever, and it isn’t yet clear when a full recovery will be in place. Recent progress on coronavirus vaccines has brightened the economic outlook, but some economists said a potentially slow rollout of vaccines across developing economies could hamper the return of activity to pre-pandemic levels. Even among advanced economies, renewed lockdowns in Europe in a bid to stave off a resurgence in infections could push back economic recovery, according to economists. “The vaccine discovery is a shot in the arm, but not until 2022,” Citi … (full story)