Search the entire Understanding Patient Data site Search Extending the UK flu vaccination programme to children Improving management of chronic kidney disease Monitoring blood test results alerts GPs if a person’s health is deteriorating Improving treatment of teenage anxiety and depression Monitoring joint replacement surgery Supporting research into rare diseases Using registry data to search for treatments for rare diseases Comparing cancer survival rates worldwide Assessing a new treatment for severe asthma Disproving the link between the MMR vaccine and autism Investigating trends in diabetes across ethnic groups Understanding why diabetes rates vary between ethnic groups