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 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.

If I am hungry, that is a material problem; if someone else is hungry, that is a spiritual problem.

The thing about rights is that in the end you can't prove what should be considered a right.

It is very expensive to give bad medical care to poor people in a rich country.

I critique market-based medicine not because I haven't seen its heights but because I've seen its depths.

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.