Yr Athro Singhal yw Cadeirydd grŵp Asesu Risg COVID-19, a sefydlwyd ar ddechrau’r achosion o’r Coronafeirws, a arweiniodd at ddatblygu adnodd Asesu Risg COVID-19 Cymru Gyfan.
Professor Singhal is the Chair of the Covid-19 Risk Assessment group, established at the start of the Coronavirus outbreak, which led to the development of the All-Wales Covid-19 Risk Assessment tool.