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2. UKHSA. The Green Book Chapter 21 Measles 2023 [Available from: https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/855154/Greenbook_chapter_21_Measles_December_2019.pdf.
3. Impact of an accelerated measles-mumps-rubella (MMR) vaccine schedule on vaccine coverage: an ecological study among London children, 2012–2018;Lacy;Vaccine,2022
4. UKHSA. Quarterly vaccination coverage statistics for children aged up to 5 years in the UK (COVER programme): January to March 2023 2023 [Available from: https://www.gov.uk/government/statistics/cover-of-vaccination-evaluated-rapidly-cover-programme-2022-to-2023-quarterly-data/quarterly-vaccination-coverage-statistics-for-children-aged-up-to-5-years-in-the-uk-cover-programme-january-to-march-2023.
5. UKHSA. Parents urged to check children's MMR vaccine records following rise in measles cases 2023 [Available from: https://www.gov.uk/government/news/parents-urged-to-check-children-s-mmr-vaccine-records-following-rise-in-measles-cases.