Correspondent: Ruth Studley and Esther Sutherland

Ed Humpherson to ONS: Response to COVID-19 Infection Survey Statistics

Ed Humpherson, Office for Statistics Regulation to Ruth Studley and Esther Sutherland, Office for National Statistics

ONS to Ed Humpherson: Response to COVID-19 Infection Survey Statistics

Ruth Studley and Esther Sutherland, Office for National Statistics to Ed Humpherson, Office for Statistics Regulation