Virologist Marc Van Ranst has told UEFA to abandon hopes of restarting the 2019/20 season.
A month after most of the continent was closed down there are still questions being raised about the game resuming.
On Thursday the SFA announced that there would be no football before June 10 and warned that players would require six weeks of training before they can play competitive matches again.
In recent seasons Celtic players have been involved in international matches into the second week in June with UEFA qualifiers beginning in the second week of July.
The current break will last for at least four months with The Sun reporting that UEFA have hired van Ranst to consider when football can return.
The Sun reports the virologist saying:
Playing football in the next few months is not an option at all. I have advised UEFA this and I am convinced they now realise this. I understand from football clubs in Belgium that it would take a minimum of three to four weeks for training before they can start playing again. Playing football this season is not an option.
I told them they cannot blame the Belgian Pro League from making their initial decision. Even talk of playing football behind closed doors, that can’t be allowed because we have seen fans gather together to have their own parties and that defeats the point.
The facts are we now in early April and there are thousands of new cases every day across Europe. How can anyone talk about restarting football if we don’t even know if we are at the peak of what is only the first stage of the virus?
Football is very much a side issue for the moment, but it will become important again when we examine our exit strategy. I’m afraid, mass events like football and music festivals will be the very last things to be allowed again.
In England there has been reports of plans to play the remaining EFL matches over 56 days through June and July.
