There was no date specified over a potential Super League return following a meeting between clubs and RFL officials.
Remi Casty urged sportspeople to be responsible after announcing he would not play for Catalans Dragons during the coronavirus outbreak.
Former Wigan Warrior Kevin Brown added to Niall Evalds' stunning double as Salford Red Devils rallied impressively at home.
Wigan Warriors sit two points clear in Super League after they overcame Hull KR at the DW Stadium on Sunday.
Israel Folau made his Super League bow in England on Sunday, helping Catalans Dragons record a dramatic win at Hull FC.
Wigan Warriors edged the first half against Hull FC before pulling clear in the second period to earn a third win from four matches in 2020.
Wigan Warriors ultimately ran out comfortable winners against Toronto Wolfpack, but the Super League new boys dug in with limited numbers.
Hull FC could not have wished for a better start to the season, following up a drubbing of Leeds by winning the derby.
Warrington Wolves were reduced to 12 men early on against Wigan Warriors, who ultimately saw out a cagey win to start their season in style.
Wigan will hold a 'Pride Day' when they welcome Catalans Dragons on March 22, in response to the French club's signing of Israel Folau.