I am a resident doctor and based on my reading and general gestalt most healthy people aren't likely to get "long covid". Also confounding, a significant portion of long covid seems to be a mental health diagnosis (as evidenced by https://news.harvard.edu/gazette/story/2022/09/depression-an...). People who are anxious / depressed are reporting they have "long covid". This same group is more likely to report physical disabily for other reasons eg non-specific back pain.