Question

Polio continues to be prevalent in​

Answer 1

Answer:

The 3 countries are Afghanistan, Nigeria and Pakistan. They face a range of challenges such as insecurity, weak health systems and poor sanitation. Polio can spread from these 'endemic' countries to infect children in other countries with less-than-adequate vaccination.

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Answer 2

Answer:

Only three polio-endemic countries (countries that have never interrupted the transmission of wild poliovirus) remain—Afghanistan, Nigeria, and Pakistan. Without our polio eradication efforts, more than 17 million people who are currently healthy would have been paralyzed by the virus.