1. Covid-19: JCVI opts not to recommend universal vaccination of 12-15 year olds
2. Department of Health and Social Care. Universal vaccination of children and young people aged 12 to 15 years against covid-19: letter from the UK chief medical officers to the UK health ministers on covid-19 vaccination of 12 to 15 year olds. 13 Sep 2021. https://www.gov.uk/government/publications/universal-vaccination-of-children-and-young-people-aged-12-to-15-years-against-covid-19.