[notahacker]

It's not an easy distinction to make though. Actual "long COVID" itself is likely to be a collection of ailments (recovery from physical damage to lungs and cardiovascular system, post-viral trigger happy immune systems, possible opportunistic infection or symptoms of existing latent virus due to COVID-induced weakness) which differ from person to person and at least some of those ailments plausibly interact with anxiety (a psychological problem that has physiological effects on blood pressure, cortisol levels etc itself)