Department of Health Director of Immunisation Professor David Salisbury said:

The UK is well defended against the possibility of importation of polio from outbreaks such as the present one in Syria. Our population has very high coverage of polio vaccination with more than 95% of young children being vaccinated. We have WHO-approved surveillance in place so we can pick up polio if it does start to circulate in the UK.

The article in the Lancet journal can be viewed here.