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    <title>NPR: vaccine-derived polio</title>
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    <description>vaccine-derived polio</description>
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      <title>NPR: vaccine-derived polio</title>
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      <title>The dream of wiping out polio might need a rethink</title>
      <description>When public health specialists look at the annual case counts, some see a trend that raises questions about how realistic the goal of a polio-free world might be.</description>
      <pubDate>Mon, 10 Apr 2023 10:11:47 -0400</pubDate>
      <link>https://www.npr.org/sections/goatsandsoda/2023/04/10/1168141163/the-dream-of-wiping-out-polio-might-need-a-rethink</link>
      <guid>https://www.npr.org/sections/goatsandsoda/2023/04/10/1168141163/the-dream-of-wiping-out-polio-might-need-a-rethink</guid>
      <content:encoded><![CDATA[<img src='https://media.npr.org/assets/img/2023/04/07/seamus-polio_wide-2a788cb3bfaf2fb09c0a223af4843a150661ce56.png' alt='undefined'/><p>When public health specialists look at the annual case counts, some see a trend that raises questions about how realistic the goal of a polio-free world might be.</p><img src='https://media.npr.org/include/images/tracking/npr-rss-pixel.png?story=1168141163' />]]></content:encoded>
      <dc:creator>Jason Beaubien</dc:creator>
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      <title>Polio is found in the U.K. for the first time in nearly 40 years. Here&apos;s what it means</title>
      <description>Scientists in Britain have detected multiple versions of the virus in wastewater. Officials say the risk to the public is extremely low and urge people to ensure their polio vaccines are up to date.</description>
      <pubDate>Wed, 22 Jun 2022 19:19:20 -0400</pubDate>
      <link>https://www.npr.org/sections/goatsandsoda/2022/06/22/1106711204/polio-found-in-u-k-for-the-first-time-in-nearly-40-years-heres-what-it-means</link>
      <guid>https://www.npr.org/sections/goatsandsoda/2022/06/22/1106711204/polio-found-in-u-k-for-the-first-time-in-nearly-40-years-heres-what-it-means</guid>
      <content:encoded><![CDATA[<img src='https://media.npr.org/assets/img/2022/06/22/50191787136_ae46dfb9ab_o_custom-e5704e3d2f43c697a4794638495364d9e108fef6.jpg' alt='Aerial view of the Beckton Sewage Treatment Works in London. Between February and May, U.K. scientists found several samples containing closely related versions of the polio virus in wastewater at the plant.'/><p>Scientists in Britain have detected multiple versions of the virus in wastewater. Officials say the risk to the public is extremely low and urge people to ensure their polio vaccines are up to date.</p><p>(Image credit: mwmbwls)</p><img src='https://media.npr.org/include/images/tracking/npr-rss-pixel.png?story=1106711204' />]]></content:encoded>
      <dc:creator>Michaeleen Doucleff</dc:creator>
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      <title>Africa Declares Wild Polio Is Wiped Out — Yet It Persists In Vaccine-Derived Cases</title>
      <description>The Kick Polio Out of Africa Campaign began in 1996. This week, the World Health Organization announced that wild polio has been eradicated — although there is a caveat.</description>
      <pubDate>Tue, 25 Aug 2020 15:42:44 -0400</pubDate>
      <link>https://www.npr.org/sections/goatsandsoda/2020/08/25/905884740/africa-declares-wild-polio-is-wiped-out-yet-it-persists-in-vaccine-derived-cases</link>
      <guid>https://www.npr.org/sections/goatsandsoda/2020/08/25/905884740/africa-declares-wild-polio-is-wiped-out-yet-it-persists-in-vaccine-derived-cases</guid>
      <content:encoded><![CDATA[<img src='https://media.npr.org/assets/img/2020/08/25/gettyimages-629400907_custom-b6b36e27fa1956b1d5ccac9bd799eeb8f0e03c91.jpg' alt='An oral polio vaccine, which contains weakened live virus, is administered in a health enter in Togo. Africa has declared that wild polio has been eradicated, but a relatively small number of cases of vaccine-derived polio persist.'/><p>The Kick Polio Out of Africa Campaign began in 1996. This week, the World Health Organization announced that wild polio has been eradicated — although there is a caveat.</p><p>(Image credit: BSIP)</p><img src='https://media.npr.org/include/images/tracking/npr-rss-pixel.png?story=905884740' />]]></content:encoded>
      <dc:creator>Maria Godoy</dc:creator>
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      <title>Polio Is Making A Comeback</title>
      <description>Health officials have long known that virus from the oral vaccine can contaminate water supplies; they underestimated how big a problem this would be.</description>
      <pubDate>Fri, 15 Nov 2019 17:04:36 -0500</pubDate>
      <link>https://www.npr.org/sections/goatsandsoda/2019/11/15/779865471/polio-vaccine-may-be-preventing-the-end-of-polio</link>
      <guid>https://www.npr.org/sections/goatsandsoda/2019/11/15/779865471/polio-vaccine-may-be-preventing-the-end-of-polio</guid>
      <content:encoded><![CDATA[<p>Health officials have long known that virus from the oral vaccine can contaminate water supplies; they underestimated how big a problem this would be.</p><img src='https://media.npr.org/include/images/tracking/npr-rss-pixel.png?story=779865471' />]]></content:encoded>
      <dc:creator>Jason Beaubien</dc:creator>
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