You dont have to vaccinate every man, woman and child in the country if you have a couple of cases of smallpox cropping up.

You help someone's health, and you prevent them from infecting others.

Testing two vaccines against different H1N1s at the same time has never been done.

Science is telling us that we can do phenomenal things if we put our minds and our resources to it.

Previous efforts to eradicate malaria failed for several reasons, including political instability and technical challenges in delivering resources, especially in certain countries in Africa.

When a company is fairly certain of a profit margin that is substantial, it can assume responsibility for the clinical trials to develop a blockbuster drug.

Activism has been very productive in our society.