A coronavirus vaccine developed by AstraZeneca and Oxford University can prevent 70.4% of people from getting Covid-19, data shows.
Oxford University said that interim analysis from its phase three vaccine trial shows that the 70% effectiveness comes from combining two doses.
One was 90% effective, the other 62%. In a statement, Professor Andrew Pollard, director of the Oxford Vaccine Group and chief investigator of the Oxford Vaccine Trial, said: "These findings show that we have an effective vaccine that will save many lives. "Excitingly, we've found that one of our dosing regimens may be around 90% effective and if this dosing regime is used, more people could be vaccinated with planned vaccine supply. "Today's announcement is only