Despite dozens of recent flu deaths among US children, vaccination skeptics remain — and their numbers have grown.

Vaccinations have been around for more than a century. So why is the vaccination rate so low in the United States?

About Robert Zinn

Robert Zinn, M.D., Ph.D. is a medical doctor, physician, and web entrepreneur, who, for over 15 years was employed by academic and research institutions and focused his clinical practices on very specialized patient populations, such as those with rare genetic diseases or rare cancers. He shares his knowledge through his website,

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