Efficacy
On 25 March, AstraZeneca released its most recent clinical trial results reporting an overall efficacy of 76% against symptomatic Covid-19 after two doses.
Where is it made?
The vaccine is made in the UK at two sites in Oxford and Keele. A third plant in Wrexham puts the vaccine into vials and packages it up for distribution. AstraZeneca is working with suppliers in 15 other countries to make the vaccine, including sites in the US, Belgium, the Netherlands and India.
Where is it approved?
It has been given approval by the UK’s drug regulator, the European Medicines Agency (EMA) and has been granted emergency approval by the World Health Organization (WHO).