Up to midnight on March 18, Leitrim had recorded zero cases of Covid and just 11 in total in the past fortnight.
Leitrim retains the lowest 14-day incidence rate per 100,000 population in the country with 34.3 compared to the national average of 150.5.
Numbers are low also in neighbouring counties with Cavan <5, Sligo 6, Roscommon 6, Longford 15 and Donegal 16.