International

Cheaper and easier to store, the so-called Oxford covid-19 vaccine is used by dozens of countries, including Brazil. The vaccine, called AZD1222, was developed by a team from the University of Oxford and the Anglo-Swedish pharmaceutical company AstraZeneca. The research team includes scientists from the Jenner Institute and the Oxford Vaccine Group. How does the Astra Zeneca vaccine work? It is a vector vaccine. It was developed with a non-replicating chimpanzee adenovirus vector technology that is harmless to humans. It is a weaker version of the influenza virus common in chimpanzees and also... See more