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2. Scientific Advisory Group for Emergencies. University of Warwick: road map scenarios and sensitivity, 29 March 2021. 5 Apr 2021. https://www.gov.uk/government/publications/university-of-warwick-road-map-scenarios-and-sensitivity-29-march-2021.
3. Scientific Advisory Group for Emergencies. LSHTM: interim roadmap assessment: prior to Step 2, 31 March 2021. 5 Apr 2021. https://www.gov.uk/government/publications/lshtm-interim-roadmap-assessment-prior-to-step-2-31-march-2021.
4. Scientific Advisory Group for Emergencies. SPI-M-O: Summary of further modelling of easing restrictions—Roadmap Step 2, 31 March 2021. 5 Apr 2021. https://www.gov.uk/government/publications/spi-m-o-summary-of-further-modelling-of-easing-restrictions-roadmap-step-2-31-march-2021.