So a friend of mine, age 70, just had a TIA incident a couple of days ago. He's on the liberal side of politics and has been fully vaxxed and boosted. His wife saw him struggling to make a computer connection and was just staring at the computer screen. So are TIAs considered one of the effects of the vaccines?

He won't be around me lately because I refuse to get vaxxed,but he's a talented musician and I have always enjoyed playing music with him.

Does anyone know if vaxxes can cause TIAs?