What will it take to finish polio off in the last three countries where it persists?
AP Photo/B.K. Bangash
Pakistan had only eight new diagnoses of polio in 2017. The virus' days look numbered – but health workers have their work cut out for them to eradicate the devastating disease once and for all.
The polio vaccination campaign in Nigeria is being hampered.
Flickr/Center for Disease Control
Social media rumours are putting Nigeria's vaccination campaigns at risk.
Current plans to eradicate polio mean keeping the virus alive – and risk restarting the epidemic.
A polio patient in an iron lung, 1940.
Vaccination is not to be taken for granted.
Nigerian women who formed part of the country’s previous polio immunisation campaign.
Global Polio Eradication Initiative
A new polio outbreak in Nigeria has hampered the country's efforts to be declared polio free by 2017.