Gwelsom fod lefelau’r feirws mewn dŵr gwastraff yn ffordd effeithiol iawn o ddangos llwyddiant y cyfnod clo yn ystod ton gyntaf y COVID-19 ac o ddangos ymddangosiad yr ail don.  Rydyn ni’n ei ddefnyddio nawr i dracio a rheoli achosion COVID-19 ac yn gweithio ar dreialon newydd i fapio’r feirws ar y lefel leol a rhanbarthol.
We showed that viral levels in wastewater mapped really well onto the success of lockdown measures in the first COVID-19 wave and to the emergence of the second wave. We are now using it to track the emergence and control of COVID-19 cases and working on new pilots to map the virus at both the local and the regional scale.