Science is one of the comparative advantages of our knowledge-based economy, and focusing on our prowess in providing better tools to address diseases of poverty is one of the best forms of foreign aid.

The pathway to a more sustainable future for all children must include access to the basic building blocks of good health, including nutrition, water, and immunizations.

The World Economic Forum Annual Meeting is the perfect place for a dialogue that brings together industry, civil society, U.N. agencies, and countries around a shared response to the challenge of protecting children against vaccine-preventable illness.

Measles is probably the best argument for why there needs to be global health, and why we have to think about it as a global public good. Because in a sense, measles is the canary in the coal mine for immunization. It is, you know, highly transmissible. The vaccine costs 15 cents, so it's not - you know, shouldn't be an issue in terms of cost.

The return on investment in global health is tremendous, and the biggest bang for the buck comes from vaccines. Vaccines are among the most successful and cost-effective health investments in history.

Leadership is about vision and responsibility, not power.

Leadership is about vision and responsibility, not power. And I try to model that in all of my interactions.

For just a few dollars a dose, vaccines save lives and help reduce poverty. Unlike medical treatment, they provide a lifetime of protection from deadly and debilitating disease. They are safe and effective. They cut healthcare and treatment costs, reduce the number of hospital visits, and ensure healthier children, families and communities.

We know that children who are healthier do not require medical treatment or care, both of which cost time and money. So, by avoiding illness, infants have a greater chance of growing into healthier children who are able to attend school and become more productive members of society.

More people living in less space can put greater strain on already limited sanitation resources, and this can create a fertile breeding ground for waterborne infectious disease and the insects spreading them.