1. The epidemiology of chickenpox in UK 5-year olds: an analysis to inform vaccine policy;Manikkavasagan;Vaccine,2010
2. Severe complications of chickenpox in hospitalised children in the UK and Ireland;Cameron;Arch Dis Child,2007
3. The health and economic burden of chickenpox and herpes zoster in Belgium;Bilcke;Epidemiol Infect,2012
4. SAGE Working Group on Varicella and Herpes Zoster Vaccines: Background Paper on Varicella Vaccine SAGE review 2015. http://www.who.int/immunization/sage/meetings/2014/april/1_SAGE_varicella_background_paper_FINAL.pdf (accessed 2/07/2015).
5. Public Health England. Shingles. Chapter 28a. Immunisation against Infectious Disease. https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/357155/Green_Book_Chapter_28a_v0_5.pdf (accessed 2/07/2015).