A new study reveals that vaccination has saved millions of lives in the U.S. from 1963 to 2015. Approximately 200 million cases of several diseases were prevented in the country in the same duration due to vaccination.
A new study reveals that vaccination has saved millions of lives in the U.S. from 1963 to 2015. Approximately 200 million cases of several diseases were prevented in the country in the same duration due to vaccination.
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