这些人，让人看到希望、看到未来！
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After 20 years of investing in health, though, one type of investment has surprised me—because, unlike investing in a new vaccine or technology, the success rate is very high. It’s what people in the global-health business call “financing and delivery.” Decades ago, these investments weren’t sure bets, but today, they almost always pay off in a big way.
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Since Gavi was founded, the number of children under the age of 5 dying in low- and middle-income countries has dropped by about 40%. Meanwhile, polio cases have almost disappeared. Last year, the number for the whole world was 31.
