TWENTY-ONE children have been paralysed by polio in Pakistan this year, the latest two in Kohistan and Badin. Each new case is a painful reminder that we remain one of only two countries where the virus still spreads. That a disease wiped out in most of the world still stalks our children is not just a health failure, it is a governance crisis. Billions of dollars have been invested in our eradication programme over three decades. Thousands of vaccinators have risked their lives to reach children in remote and........

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