After a catastrophic second wave turned South America into the world’s epicenter of the Covid-19 pandemic in 2020, the region had enjoyed a seemingly miraculous reversal of fortunes last year. Boasting the world’s highest vaccination rates, new Covid-19 infections and deaths plunged to the lowest levels seen since the pandemic began. Roughly 77 percent of South America’s population has taken at least one dose of coronavirus vaccine — with 65 percent being fully immunized.
Local economies – which are largely dependent on the informal sector and, therefore, in-person interactions – had hoped a stellar vaccine rollout would signal...
