Nearly fifteen years ago, the Bill & Melinda Gates Foundation launched Grand Challenges—a landmark initiative to fund promising early-stage scientific innovations that could prevent, treat and cure diseases in the developing world. As part of the launch
of Grand Challenges, we, along with partners at the Wellcome Trust, the Foundation for the National Institutes of Health and the Canadian Institute of Health Research, invested nearly half a billion dollars to kickstart 44 ambitious projects. In the more than
a decade that has followed the initial 2005 investments, Grand Challenges has expanded to represent a growing network of independent, but collaborating, national Grand Challenge programs with investments in 87 countries.
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