The Minister for Health is hoping there's as much uptake as possible for the new Covid tracker app.
The HSE app, which is now live, lets people see if they've been in close contact with someone with Covid-19.
More than 200 thousand people have downloaded the app so far.
Meanwhile, it's over a week since any new cases of Covid-19 were confirmed in Mayo.
The number stands at 572 cases, and the last confirmed case was recorded on 28th June.
Galway has 486 confirmed cases, with 346 in Roscommon and 145 in Sligo.
Meanwhile, there are no confirmed or suspected cases of the virus being treated at present at Mayo University Hospital.
At Galway University Hospital, there are 12 patients with suspected Covid-19 at present, and also 12 suspected cases at Sligo University Hospital as well as two confirmed cases.
At Portiuncla Hospital in Ballinasloe, there's one confirmed case being treated currently.