Vaccines and Variants a Year into the Pandemic

February marks a year since the first coronavirus cases were confirmed in Latin America. Now the pandemic has entered a new phase, one in which countries are trying to roll out vaccines as quickly as they can even as variants threaten to undermine the protection those vaccines offer. In this episode, COVID-19 researcher Dr. Roselyn Lemus-Martin covers vaccine rollout in the region while Doctors Without Borders’ Pierre Van Heddegem gives a ground-level view of a variant-fueled outbreak in Brazil’s Amazonas.