Email chain between Michael Gravenor, (Professor of Epidemiology and Biostatistics at Swansea University. Member of the Technical Advisory Cell (TAC) and Technical Advisory Group (TAG)), Brendan Collins (Head of Health Economics, Welsh Government), Rob Orford (Chief Scientific Adviser for Health, Co-Chair of the Technical Advisory Cell and Technical Advisory Group) and others, regarding second firebreak, dated between 10/11/2020 and 11/11/2020.