The former SDLP leader helped create the climate that brought an end to the Troubles in Northern Ireland.
The rapid tests for hospitals and care homes will distinguish between Covid-19 and seasonal illness.
Samples will be checked for signs of the virus, to get early warnings of spikes in infection levels.
The two members of The Nolans have both had chemotherapy during lockdown.
The MP, who was accused of rape, is on bail until mid-August.