https://www.wsj.com/articles/am-i-protected-against-polio-heres-what-to-know-about-the-vaccine-11660906779
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8/19/22 at 10:59am
Organization
The Wall Street Journal
Author
Betsy Morris
34 words
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The discovery of poliovirus in wastewater has some people asking whether they and their children are protected.
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