diplomatic spats on the horizon if export blocks are carried out like with the recent batch of vaccines bound from Italy to Australia.
even their PM (iirc..?) said something along the lines of "Not happy, but understandable".
but what use is having hundreds of millions of shots to hand if uptake is low? I don't know how much of the smaller uptake in comparison to countries such as the UK is down to slow deliveries of vaccines, but when I look at what's going on with the Oxford/AstraZeneca vaccine and comments made by Macron questioning its effectiveness, I don't think governments of some EU nations are blameless here..
there are no hundreds of millions of shots at hand, and there isn´t an uptake problem either.
For Biontech/Moderna 86.4% of doses delivered to hubs have been administered, the delta is logistics from hub to vaccination center and a small safety buffer for 2nd shots.
For AZ uptake, and we are talking about puny 14.8 million doses total, is 49,26% between hubs and arms. Much of that is because given how utterly unreliable AZ delivery dates are appointments are pretty much just made when the stuff actually arrived at the hubs, and then the 2nd dose has to be kept in storage for three weeks because who knows if there will be deliveries in the next three weeks. Just a few days back AZ announced "Oh, sorry.. just came in, pretty much no vaccine for you guys for the next three weeks". Without essentially 100% of 2nd shots held back, that would cause a major hick-up.
That is why stopping AZ vaccinations for a bit is no problem at all, since there won´t be vaccine deliveries from AZ anyhow, and AZ vaccinations use different infrastructure due to easy handling, so there is no wasted resources. If this safety check takes two week, three weeks from now not a single person less than otherwise would have been vaccinated, and not a single person has to wait for their first shot, since there is no AZ vaccine for those.