Pakistani health worker administers polio drops to a child in Karachi
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Is it the end for polio as a new vaccine is introduced?

More than 150 countries have begun switching to a different vaccine to target the two remaining strains of the polio virus.

The disease mainly affects children under the age of five, and can cause total paralysis in a matter of hours.

However, total eradication could be close.

  • 18 Apr 2016
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