Too Few Adults Get Recommended Vaccines: CDC

They not only protect the recipient, but also offer 'herd immunity,' experts say

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"The reason to get a vaccine is herd immunity," Siegel said. Vaccinations not only protect the person who is vaccinated, but as more people are vaccinated it decreases the amount of circulating germs, he said.

Siegel said both smallpox and polio were eradicated by vaccinations.

More information

For more on adult vaccinations, visit the U.S. Centers for Disease Control and Prevention.

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