CUENCA, ECUADOR - JUNE 03: A health worker prepares a dose of the Pfizer-BioNTech vaccine during a vaccination for citizens on June 3, 2021 in Cuenca, Ecuador. The 9-100 Plan, proposed by President Guillermo Lasso, seeks to vaccinate more than 6 million citizens between the ages of 18 and 49 by August 27. (Photo by Xavier Caivinagua/Agencia Press South/Getty Images) (Agencia Press South/Getty Images) Por Michelle Cárdenas16 de junio 2021 a las 02:54 hrs.Tags