Ebola has not yet come into contact with modern medicine in West Africa. But when protocols for the provision of high quality supportive care are followed, the case fatality rate for Ebola may be lower than 20 percent.

I've been asked a lot for my view on American health care. Well, 'it would be a good idea,' to quote Gandhi.

I mean, everybody should have access to medical care. And, you know, it shouldn't be such a big deal.

For me, an area of moral clarity is: you're in front of someone who's suffering and you have the tools at your disposal to alleviate that suffering or even eradicate it, and you act.

I recommend the same therapies for all humans with HIV. There is no reason to believe that physiologic responses to therapy will vary across lines of class, culture, race or nationality.

I think we will see better vaccines within the next 15 years, but I'm not a scientist and am focused on the short-term - what will happen in the interim.

I can't think of a better model for Haiti rebuilding than Rwanda.