Study shows single dose of Pfizer or AstraZeneca vaccine cuts risk of serious illness by more than 80%
- Coronavirus – latest updates
- See all our coronavirus coverage
The Oxford/AstraZeneca coronavirus vaccine is slightly more effective than that of Pfizer/BioNTech on some measures, the health secretary has said as he seized on new data and argued it should prompt other countries to re-evaluate their approach.
Pfizer/BioNTech
Continue reading…