Rangers have announced they have received positive cases of coronavirus during testing.
In a statement, the club said the individuals who have tested positive are now self-isolating, as well as their close contacts.
It is not yet known who at the club has tested positive, or who it is that is required to isolate.
Rangers are set to play the second leg of their Europa League qualifier against Alashkert on Thursday, before taking on Celtic at Ibrox on Sunday.
In their statement, Rangers said: “Rangers can confirm that during our testing schedule, we have received positive Covid-19 tests.
“Those identified as positive are now in self isolation along with ‘close contacts’.
“We have followed best practice in our procedures and protocols.
“From the outset of the pandemic, Rangers has worked closely with the Scottish Government and Scottish football to ensure the health of our staff is protected at all times. We will continue to do so.”