[tinyowl]

"What is new here?

If I'm not mistaken, I think it's suggesting that small exposure to the virus rather than prolonged contact allows the body to develop antibodies without getting severely ill.

I might be wrong -> but if not, I think that's the first time I've read that.

[TexasGator]

“If I’m not mistaken, I think it’s suggesting that small exposure to the virus rather than prolonged contact allows the body to develop antibodies without getting severely ill.”

That is well known. Basis of vaccines.