When you're dealing with a very sick person and you're doing something to them, an intervention, be it a procedure or a medication, safety is critical.

You can have an epidemic in a state. You can have it in a region. You can have it in a country where the critical level of disease passes a certain threshold, and we call that an 'epidemic threshold.'

It is now widely recognized that any attempt at malaria eradication must be a long-term commitment that involves multiple interventions, disciplines, strategies and organizations.

The world is a place that is so interconnected that what happens in another part of the world will impact us.

It's like playing tennis, you play a different rally with different people. Every actor is different and the chemistry between actors is different.

I happen to love science... Scientists are all slightly mad. There is truth in the stereotype of the mad scientist. They are mad with curiosity.

My education in the public schools of New York City between 1932 and 1944 was an excellent preparation for a life in science. Because of the Depression, these schools were able to attract a remarkably talented and dedicated collection of teachers who encouraged their students to strive for the highest levels of accomplishment.

If the history of resistance to Darwinian thinking is a good measure, we can expect that long into the future, long after every triumph of human thought has been matched or surpassed by 'mere machines,' there will still be thinkers who insist that the human mind works in mysterious ways that no science can comprehend.