LONDON, Nov 8:
Vaccinating only Syrian refugees against polio may not be enough to prevent the crippling viral disease from re-infecting Europe where it has not been seen for decades, German scientists warned today. Writing in The Lancet medical journal, they said the risk to Europe from a re-emergence of polio in Syria was partly due to the type of vaccine generally used in regions that have not had the disease for many years. (agencies)
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