Oxford/AstraZeneca covid-19 vaccine may be up to 90 per cent effective

A covid-19 vaccine developed by AstraZeneca and the University of Oxford may be up to 90 per cent effective when given first as a half dose and then a full dose, and it doesn’t need to be kept at a very low temperature

Source:
https://www.newscientist.com/article/2260588-oxford-astrazeneca-covid-19-vaccine-may-be-up-to-90-per-cent-effective/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home