1. Measles: alarming worldwide surge seriously threatens children, says UN
2. Measles cases rise 300% globally in first few months of 2019
3. Vaccine Knowledge Project. Measles 2019. http://vk.ovg.ox.ac.uk/measles
4. NHS Digital. Childhood vaccination coverage statistics—England 2017-18. https://digital.nhs.uk/data-and-information/publications/statistical/nhs-immunisation-statistics/england-2017-18
5. Mostrous A, Stoneman J. Compulsory vaccinations for children considered by health secretary 2019 https://www.thetimes.co.uk/article/whitehall-considers-compulsory-vaccinations-g2wkgr96w