Vaccines: How they work and some common misconceptions

There is likely no bigger accomplishment in medicine and public health that has saved so many lives and prevented so much misery over the decades as the introduction of vaccines. In the U.S. alone, between 1963 and 2015 nearly 200 million cases of polio, measles, mumps, rubella, varicella, adenovirus, rabies and hepatitis A - and ["]

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