Media playback is unsupported on your device

World now 80% polio free, World Health Organization says

27 March 2014 Last updated at 22:47 GMT

The World Health Organization has declared its South East Asia region polio-free, so 80% of the world is now officially free of the disease.

The certification, which comes after India officially recorded three years without a new case of polio, is being hailed a "historic milestone" in the global fight to eradicate the deadly virus.

Tulip Mazumdar reports.

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.