Polio immunisation
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How India has had success in polio fight

India once had more cases of polio than any other country but has now been polio-free for just over a year.

India was once seen as a polio epicentre, the country where the virus was most difficult to tackle.

Medical correspondent Fergus Walsh has been in Delhi to see polio immunisation first hand.

  • 20 Feb 2012
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