Mandatory Credit: Photo by Patricio Murphy/SOPA Images/Shutterstock (11679018m) A nurse tries to extract the last few drops of COVID-19 vaccine from a vial. As a first step in the biggest vaccination campaign in the country's history, first line health workers are receiving the Russian Sputnik V vaccine against the coronavirus. COVID-19 Vaccination in Firmat, Argentina - 04 Jan 2021