The oral polio vaccine is most commonly used in the developing world, despite one big problem.
CDC/Alan Janssen, MSPH
A challenge in eradicating polio comes from a version of the vaccine itself, which relies on live but attenuated virus. Rationally designing a new vaccine could help get rid of polio once and for all.
There is no cure for polio, and the vaccine remains the most effective way to combat the disease.
The polio vaccination successfully eradicated the disease in Canada. Can the same happen with other diseases?
Personalised medicine aims to tailor treatment according to each person’s genetic makeup.
Gene sequences can be manipulated to prevent certain diseases and improve public health.
Illustrative image of virus associated with acute flaccid myelitis.
A polio-like virus has afflicted more than 500 children in the US in the past five years. A doctor who has treated children with the disease explains the symptoms.
Lots of positive pregnancy tests this time of year.
Did you ever consider that human beings might have a breeding season? Birth seasonality exists – and has interesting implications for childhood disease outbreaks.
Nigerian children receiving the polio vaccine in Lagos.
The global target to eradicate polio is being missed because a number of countries are struggling to reach high vaccine coverage.
Monitoring sewage for virus allows for a quick public health response if any polio is detected.
AP Photo/Matt Rourke
Polio can be circulating through a community long before anyone is paralyzed. Monitoring sewage for the virus lets public health officials short-circuit this 'silent transmission.'
Vaccinations have saved countless lives and untold suffering, even though many adults still believe vaccines are bad for their children.
Vaccines have long been considered safe, but many people still believe they are not. A new study shows that people who think they know more than medical experts are more likely to believe that vaccine are not safe.
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.
In Australia we still vaccinate against polio, but not tuberculosis. Why, and how do we decide?
Vaccinating against an infectious disease can stop once the threat of future transmission is deemed sufficiently low.
Children at a camp for people displaced by Boko Haram insurgents in North-East Nigeria.
More than 788 health facilities have been destroyed in parts of North-Eastern Nigeria captured by Boko Haram insurgents, crippling health services in the area.
Sleeping Beauty’s castle at Disneyland, where a measles outbreak in 2015 led to children being sickened in several states.
Jae C. Hong/AP
You may not know anyone with an infectious disease covered by the immunizations on the 2017 list of recommended vaccines. Here's why that doesn't matter, and why children still need to be protected.
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.
An Ethiopian boy receives a polio vaccination. Africa has done well with polio eradication but lags behind other vaccination efforts.
Every year hundreds of thousands of children die from vaccine-preventable diseases. Africa leaders could change this if they improved vaccination efforts.
Despite Nigeria's success in eradicating polio, it is struggling to get a grip on mother and child vaccinations.
Some adults and many children report a fear of needles.
As more vaccines have been developed, the challenge of delivering them with minimal pain and number of visits to the doctor has increased. Needle-free vaccinations might help.
Polio vaccinators carry boxes of polio vaccine drops as they head to the areas they have been appointed to administer the vaccine, in Karachi October 21 2014.
Researchers are piloting a smartphone app to collect better information about who is getting vaccinated and to design better incentives for health workers on vaccination drives.