There appears to be a sustained smear campaign from the EU regarding AstraZeneca, it really is very tiresome.
There was an article in the Times today reporting that German medics commend 'clever' Russian Sputnik vaccine, and:
"Thomas Mertens, chairman of the German government’s Standing Committee on Vaccination, said Sputnik V might work better than the Oxford-AstraZeneca vaccine since the first and second doses were carried in slightly different kinds of harmless virus, meaning the immune system may be less likely to blunt the effect of the second jab."
Might work better? So speculation then! But never mind, already sewn yet another seed questioning the relative efficacy of AZ