US weighs policy on Venezuela as Maduro signals flexibility Pablo Perez abril 28, 2021 A nurse inoculates a woman with a dose of the Sputnik V COVID-19 vaccine at the Perez Carreno public hospital in Caracas, Venezuela, Friday, April 9, 2021. (AP Photo/Ariana Cubillos) Clique aqui para ver articulo original Author: Pablo Perez