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Vaccines by the Numbers: A public health achievement

Between 2001 and 2010, the United States saw big declines in the number of cases of vaccine-preventable diseases. Because of this, vaccines are one of the top public health achievements of the decade.
CDC
Vaccines by the Numbers: A public health achievement 0:46

Vaccines by the Numbers: A public health achievement

How do you prevent suicide? Maybe you can give more support to those who are struggling 2:26

How do you prevent suicide? Maybe you can give more support to those who are struggling

Hollywood's Greatest Trick​​ 24:21

Hollywood's Greatest Trick​​

7 planets orbiting nearby star could hold life 1:57

7 planets orbiting nearby star could hold life