Thank you to everyone for taking the time to complete the census, which was run in May 2017 by the QPIDS scheme.

Both registered and non-registered services were invited to take part and we had a participation rate of 94% of specialist immunodeficiency services. This invaluable benchmark data has been developed through the support of UK Primary Immunodeficiency Network (UKPIN), into the attached report that shows the current position of immunology services in the UK