Tackling polio has entered “emergency mode” according to the Global Polio Eradication Initiative after “explosive” outbreaks in countries previously free of the disease.
It has launched a plan to boost vaccination in Nigeria, Pakistan and Afghanistan, the only countries where the disease is still endemic.
Experts fear the disease could “come back with a vengeance”.
The World Health Organization says polio is “at a tipping point”.
There have been large outbreaks of the virus in Africa, Tajikistan and China has had its first cases for more than a decade …. http://www.bbc.co.uk