Email chain sa pagitan ni Claire Rowlands (Deputy Director Human Resource Operations and Performance, Welsh Government), Albert Heaney (Deputy Director General, Welsh Government), Jo-Anne Daniels (Director ng Mental Health Vulnerable Groups at NHS Governance, Director of Test, Trace & Protektahan, Welsh Government), Rob Orford (Chief Scientific Adviser for Health, Co-Chair ng Technical Advisory Cell at Technical Advisory Group, Welsh Gobyerno) at mga kasamahan, tungkol sa agarang payo sa pagsubok, na may petsang 29/04/2020.