First thought was that it would be a scam, But she asked for me by my full name including middle and scammers don't tend to know names, And said she was calling about this year's flu vaccination. I told her I'd had it and she wanted to ask more questions, But I didn't have time to talk to her. There appear to be a lot of NHS surgeries publishing details of this saying that people might receive a call but of of it's official that the information is so out of date, So it could be safe, But on ther