> It's an argument which you could extent to any pathogen: why would any disease kill its host? Moreover, why would a disease even 'care' about the host? As lo

> It's an argument which you could extent to any pathogen: why would any disease kill its host? Moreover, why would a disease even 'care' about the host? As long as it can jump hosts quickly, it can afford to kill many of them. If achieving fast transmission is tough on the host, so be it. Other diseases may select for the opposite approach, of course.