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23 October 2015 – Never before in the history of polio have so few children in so few countries contracted the crippling virus – but we cannot rest until the number of cases is zero, Unicef said on the eve of World Polio Day. 

“Progress to end polio is real and dramatic, with now just two countries in the world where the wild poliovirus has never been interrupted: Afghanistan and Pakistan,” said Peter Crowley, head of the Polio Unit at Unicef. “But – and it’s a big but – until all children everywhere are consistently and routinely immunized against polio, the threat remains. We cannot let down our guard; we have to keep going until there is not a single child anywhere who remains unvaccinated.” 

Just three years ago, Nigeria was the reservoir of more than half of all polio cases in the world. This year, for the first time in history, Nigeria has succeeded in interrupting transmission of wild poliovirus, and last month it was removed from the list of polio endemic countries. Nigeria’s remarkable achievement has brought the country and the African region closer than ever to being certified polio-free. In India, where thousands of children once suffered from polio-induced paralysis each year, there have been no cases in four years.  Globally there have been just 51 cases of wild polio virus since the beginning of 2015, compared with 242 wild polio cases for 2014. 

These successes are a result of political will and government leadership in affected countries; the strong mobilization and engagement of communities; the courage and commitment of front-line workers; and the combined, coordinated efforts of the partners of the Global Polio Eradication Initiative – the Centers for Disease Control and Prevention, the World Health Organization, Rotary International, the Bill and Melinda Gates Foundation and Unicef.

As part of its contribution to this Initiative, Unicef delivered 1.7 billion doses of vaccine in 2014 and supported the training of tens of thousands of front-line workers in communities from Karachi in Pakistan to Kano state in Nigeria, helping to build trust in the vaccine among parents and communities. Other success factors have been the integration of additional life-saving interventions for children such as routine immunization, nutrition, handwashing with soap, and breastfeeding, into polio campaigns, particularly in the most under-served and high-risk areas. 

Despite this progress, recent vaccine-derived poliovirus outbreaks in countries like Lao-PDR, Ukraine, Guinea and Madagascar have underscored the risks that many countries continue to face due to low routine immunization coverage. These outbreaks serve as a reminder of the vital need for intensified efforts to strengthen routine immunization systems and address disparities in children’s access to basic health services. In Ukraine, for example, fewer than 14 per cent of children are immunized against polio. 

“We aim to bring a global halt to polio transmission by this time next year, but the only way to do this is for countries with low vaccination dates to re-double their efforts to reach every child, wherever they are and no matter how hard this may be,” said Peter Crowley. 


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For further information please contact the Unicef UK Press Office on +44 (0)20 7375 6030 or

About Unicef

Unicef is the world’s leading organisation for children, promoting the rights and wellbeing of every child, in everything we do. Together with our partners, we work in 190 countries and territories to translate that commitment into practical action, focusing special effort on reaching the most vulnerable and excluded children, to the benefit of all children, everywhere.  

Unicef UK raises funds to protect children in danger, transform their lives and build a safer world for tomorrow’s children.  As a registered charity we raise funds through donations from individuals, organisations and companies and we lobby and campaign to keep children safe. Unicef UK also runs programmes in schools, hospitals and with local authorities in the UK. For more information please visit