Champions League: Thiago and Fabinho, who were injury scares for the final against Real Madrid, have been declared fit to play in Liverpool's big match.
Premier League: Sadio Mane and Thiago Alcantara sealed a 2-0 win for Liverpool over Southampton to keep last season's champions' hopes of making the top four alive.
Jose Mourinho insisted Liverpool's strongest team has not been affected because Netherlands centre-back Van Dijk is their only significant absentee.
Sadio Mane is the second Liverpool player to test positive for coronavirus after Thiago Alcantara.
Premier League: Thiago Alcantara, who missed Liverpool's clash with Arsenal on Monday, has tested positive for COVID-19, the club confirmed.
With a year left on his contract, Thiago Alcantara has stalled over signing an extension with Bayern Munich having been linked to two Premier League sides.
Bayern Munich chairman Karl-Heinz Rummenigge said the German club is working on a solution to retain David Alaba.
Thiago Alcantara, who is being heavily linked with a move to Liverpool, and David Alaba both have just a year left on their Bayern Munich contracts.
Since joining Bayern Munich, Thiago Alcantara has been suffering from injuries, which prevented him from playing for a whole season.
The two-year contract extension keeps the 24-year-old Spain international until June 2019 at Bayern.