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2. Public Health England EDSSS. England. Year 2019, week 13. 3 April 2019. https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/792375/EDSSSBulletin2019wk13.pdf.
3. Public Health England EDSSS. England. Year 2019, week 52. 31 December 2019. https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/855613/EDSSSBulletin2019wk52.pdf.
4. Public Health England. Emergency department: weekly bulletins for 2020. 2 April 2020. www.gov.uk/government/publications/emergency-department-weekly-bulletins-for-2020.