It's just disappointing. I know the likelihood is seriously low, but I hope some sort of fix or preventative measure can be found, because the AZ vaccine has be

It's just disappointing. I know the likelihood is seriously low, but I hope some sort of fix or preventative measure can be found, because the AZ vaccine has become such a major part of the world's vaccination drive (especially when the worlds' largest vaccine manufacturer is currently (to my belief) only manufacturing AZ). And the last thing anybody wants is vaccination falling back any further.