[kyboren]

OK, I understand all this.

> Hence selection pressures will skew it towards “Antibody resistant, lower fatality”

But that's my question: Will it in this case? If those with severe symptoms are more likely to go out and spread the disease, wouldn't the more severe version be positively selected?

[ForHackernews]

People stay home when they feel like crap. I bet parent comment is right that severe symptoms are selected against.