COVID probably won't _kill_ you if you are young and fit -- but it can certainly leave you sick in bed for a week or so.
Coronavirus has many, many, MANY ways of affecting a person for decades to come, and we're learning more about it every day.
Edit: since I'm getting downvoted, I assume this comes from people who want sources, so here they are:
- https://www.cbsnews.com/news/covid-lungs-scarring-smokers-lu...
- https://www.helmholtz.de/en/health/what-damage-is-potentiall...
Though one manages it in a few weeks while the other takes decades.
that seems like a very low bar to set