You don't have to vaccinate every man, woman and child in the country if you have a couple of cases of smallpox cropping up.
For the first time, we have the genetic sequences of all three of the players in the global malaria debacle: the parasite, the anopheles mosquito and the human. It's a very important milestone.
There has been treatment for hepatitis C, but the treatment has not been overwhelmingly effective, number 1. And number 2, it has had considerable toxicity.