Ministers in Wales are examining a report from Public Health Wales about whether the isolation period in Wales should be cut from seven to five days.
The minimum self-isolation period for people testing positive for Covid-19 in England was cut to five full days at the start of this week.
The quarantine period was reduced after a review of the medical evidence, to help ease staff shortages across the economy.
But people will need to produce negative lateral flow tests on days five and six of their isolation.
Speaking at the latest coronavirus briefing in Wales on Friday (January 21), First Minister Mark Drakeford said ministers had received a report from Wales' public health organisation on Thursday. Live updates from the briefing here.
He said: "The Chief Medical Officer will be considering that and will give us his advice. The scientific group that we have will be meeting on Friday afternoon to give us advice on the same subject.
"Ministers will have that advice by the start of next week, and then we will look to make a decision.
"If the advice is that it is now safe to do so, then we will follow that advice, but I haven't seen that advice yet."
The UK Government said research showed that between 20% and 30% of people are still infectious by day six, but the percentage of those released while infectious falls to around 7% if people have two consecutive negative tests and then leave isolation from day six.
Health Secretary Sajid Javid said: “Following a robust review of the evidence, we have reduced the minimum self-isolation period to five full days in England.
“This is a balanced and proportionate approach to restore extra freedoms and reduce the pressure on essential public services over the winter.
“It is crucial people only stop self-isolating after two negative tests to ensure you are not infectious.”
To get the latest email updates from WalesOnline straight to your inbox click here.
