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Yale Research Initiative on Innovation & Scale (Y-RISE)

In 2022, COVID-19 vaccination rates in remote areas of Sierra Leone were in the single digits, even as majorities in the developed world received second and third boosters. Yale’s Mushfiq Mobarak and his colleagues investigated what it takes to get the vaccine to more people in the developing world.

Men on a motorcycle drive through a puddle to deliver vaccines in rural Sierra Leone. Image: Michael Duff

Program spotlight

The Fox International Fellowship

Promoting international scholarly exchanges and collaborations among the next generation of leaders

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The MacMillan Center fosters connections throughout Yale that enable our scholars to advance their work.

Promoting understanding of the world and in the world