problems with bank blocking card when try to buy groceries etc

Hi @piglet101,

I just wanted to reiterate what the above comments say, in reassuring you that your card has not been blocked due to your vaccine status. 
I'm not sure where you've read this, but there doesn't seem to be any evidence to support the claim that people's bank cards would be blocked if they haven't had the vaccine. 

As poppy123456 has said, your bank shouldn't have access to this medical information, and the NHS wouldn't pass this information on to your bank. You can read a little about how the NHS treats your data on this NHS trust page, which outlines that whenever the NHS shares information with other organisations, they do this in line with the Data Protection Act and the NHS Confidentiality Code of Practice (2003). The Caldicott Principles also outline the NHS' commitment to confidentiality. If you have concerns over the sharing of your medical information, you should speak to your surgery's practice manager.

Please ensure that all information you share on the community is correct to the best of your ability, and backed up by credible evidence where possible. As stated in our house rules: 
It'll be a coincidence that you've been having trouble with your bank card after explaining to your GP that you're not having the coronavirus vaccination. I'd second the advice to speak to your bank directly if you can, and get advice from Citizens Advice if you need. Banks can be difficult to get through to, but it's worth persisting.