Melinda Gates : Just as there 's Black Friday and Cyber Monday for finding great shopping deals , there 's now # GivingTuesday for anyone who is feeling grateful this time of year and wants to share a bit of their good fortune with those in need . You have saved more lives than any medical innovation . Living in the world , most of us take vaccines for granted , she said . Gates : Women play big roles in helping children get vaccines they need .
Melinda Gates : You have saved more lives than any medical innovation . Living in the world , most of us take vaccines for granted , she said . Gates : Women play big roles in helping children get vaccines they need .