Querétaro busca adquirir 20 millones de vacunas anticovid

(FILES) In this file photo taken on November 23, 2020 An undated handout picture released by the University of Oxford, shows a vial of the University's COVID-19 candidate vaccine, known as AZD1222, co-invented by the University of Oxford and Vaccitech in partnership with pharmaceutical giant AstraZeneca. - The University of Oxford and drug manufacturer AstraZeneca have applied to the UK health regulator for permission to roll out their Covid-19 vaccine, Health Minister Matt Hancock said on December 23, 2020. "I'm delighted to be able to tell you that the Oxford AstraZeneca vaccine developed here in the UK has submitted its full data package to the MHRA for approval," he said. (Photo by John Cairns / University of Oxford / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / UNIVERSITY OF OXFORD / John Cairns " - NO MARKETING - NO ADVERTISING CAMPAIGNS - RESTRICTED TO ILLUSTRATING STORIES RELATED TO THE PARTICULAR VACCINE, EVENTS AND FACTS MENTIONED IN THE CAPTION - DISTRIBUTED AS A SERVICE TO CLIENTS /