Participants given first shot at half strength by mistake were found to be better protected
The Oxford University and AstraZeneca vaccine trials reached 90% efficacy by accident thanks to the “serendipity” of an error that led to some participants receiving half-doses, it has emerged.
On Monday scientists revealed that the Oxford vaccine had an overall efficacy of 70%, but could be around 90% effective when administered as a half dose followed by a full dose a month later.
Continue reading…Participants given first shot at half strength by mistake were found to be better protectedCoronavirus – latest updatesSee all our coronavirus coverageThe Oxford University and AstraZeneca vaccine trials reached 90% efficacy by accident thanks to the “serendipity” of an error that led to some participants receiving half-doses, it has emerged.On Monday scientists revealed that the Oxford vaccine had an overall efficacy of 70%, but could be around 90% effective when administered as a half dose followed by a full dose a month later. Continue reading…