London (AP): Scientists at Oxford University have released more data that confirm coronavirus vaccines made by Pfizer-BioNTech and AstraZeneca both significantly cut the risk of infection after a single dose.
...More data confirm single dose of 2 vaccines work
The scientists said that three weeks after people had been given a single dose of either the Pfizer-BioNTech or AstraZeneca vaccine, the rates of all COVID-19 infections fell by 65 per cent.