![British Society for Immunology on Twitter: "#Polio booster #vaccines are now being offered to children aged 1-9 living in London Our new infographic explains what #PolioVirus is & why these boosters are British Society for Immunology on Twitter: "#Polio booster #vaccines are now being offered to children aged 1-9 living in London Our new infographic explains what #PolioVirus is & why these boosters are](https://pbs.twimg.com/media/FchSz5EWQAAtep_.png:large)
British Society for Immunology on Twitter: "#Polio booster #vaccines are now being offered to children aged 1-9 living in London Our new infographic explains what #PolioVirus is & why these boosters are
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London children to be offered polio booster as samples found | Thai PBS World : The latest Thai news in English, News Headlines, World News and News Broadcasts in both Thai and
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