Melinda Gates : The United States has a lot of problems with the way it spends its money. Living in the U.S. , most of us take vaccines for granted , she says . The truth is , they can . Gates : Women play big role in helping children get vaccines they need .
Melinda Gates : The United States has a lot of problems with the way it spends its money. Living in the U.S. , most of us take vaccines for granted , she says . Gates : Women play big role in helping children get vaccines they need .