That's a new classification for LC that I haver not heard before. I began experiencing LC symptoms in November '21 after my first (and last) Moderna booster. I have been to Mayo and followed their program. When I posed the "am I crazy to think that my LC was caused by the booster" question, medical professionals at Mayo all responded "we have heard that before". So while there is no proved cause and effect, we are not alone. I feel better, not 100%, but better. You are not crazy and not alone. I have only tested positive twice for COVID, both cases being 'bad cold like' and both at least 6 months after my booster. My symptoms were PEM, Exercise Intolerance, Brain Fog, and a head sensation kind of like dizzy and light headed (but at no time have I fallen or really felt like I was going to fall).