BESSI collaboration :https://www.bessi-collab.net/about-us

SAGE on non drug interventions https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/925854/S0769_Summary_of_effectiveness_and_harms_of_NPIs.pdf

rates of covid-19 testing https://coronavirus.data.gov.uk/?_ga=2.54504936.1326017125.1602531867-289927355.1585336355