A member asked:

How effective are vaccines?

A doctor has provided 1 answer
Dr. Mika Hiramatsu answered

Specializes in Pediatrics

Very: Vaccines save lives. Before routine immunization, diseases like measles and whooping cough killed thousands of U.S. Children every year. The 1918 influenza epidemic killed more people than died in world war i. See immunize.Org for more information.

Answered 8/26/2012

5.7k views

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