> I'm not disparaging, I'm asking if it actually grants any. Does the body actually learn to fight COVID if it's just throw up defenses for the Cold?
Depends on the cold, I think. This rhinovirus might just be priming the immune system. There are coronavirus colds that might provide antibodies[0]
[0] https://www.nih.gov/news-events/nih-research-matters/immune-...