Fighting history’s most successful infectious disease

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Woman filling out health forms related to polio and vaccination records.

Measuring the value of health

The Optimist sat down with Damian Walker, deputy director of data and analytics at the Gates Foundation, to talk about how the team approached evaluating the return on a $10 billion health investment, the challenges of evaluating investments in global health, and why these analyses should be a key input in decision-making.
Damian Walker Deputy Director, Data and Analytics, Bill & Melinda Gates Foundation

Looking back on vaccines in 2018

Some of the most significant breakthroughs in 2018 came in the field of vaccine development and delivery, where we again saw progress on immunization. Today, more people in the poorest parts of the world, especially children, are getting protected against infectious diseases, while new innovations are producing vaccines more cheaply and getting them to the communities who need them more effectively.
Michael Lea Senior Writer, Bill & Melinda Gates Foundation