182 new cases were confirmed in Dublin last night, and 19 in Limerick.
The Tanaiste says restrictions on home visits in Dublin and Limerick is an option that will have to be considered.
The National Public Health Emergency Team has urged people living in the two counties to reduce their social contacts as cases continue to rise.
307 new cases of Covid-19 were confirmed yesterday, 182 of which were in Dublin while 19 were in Limerick.
A restriction on visiting the homes of family and friends was recently introduced in Glasgow.
Leo Varadkar says a similar measure could be introduced here.
''They took a decision, rather than closing schools again or closing childcare or businesses again that they would go really hard at gatherings within the home''.
''And that is an option that I think we'll have to consider if the numbers keep going in the right direction.
''But what I don't know and what I'd like to know from the experts is, has that been effective in Glasgow''.
Christmas travel.
The Tanaiste however also said that the Government would like to allow more essential travel by Christmas.
Mr Varadkar added: "We would like to enable more essential travel, maybe allow some people to see their relatives this Christmas.
"You'll see in Heathrow they're trialing tests that get results in a few minutes."
