I don’t know. I would interpret his remark “condition that is very very unusual and is often associated with vaccine administration” means that they likely have only seen it in that context.
You can read the whole thing in the link I provided earlier in this thread.
I thought you were speaking of your own experience.
“My bad”, as they say.
I thought you were speaking of your own experience, not quoting some click-bait blog, so I gave you credence.
“My bad”, as they say.