They have won all three of their Group D matches to date, coping superbly after suffering endless injuries.
The Reds were without a top scorer of their ten goals in Sunday's 3-0 win over Leicester after a positive test for three illnesses during a recent global break in Egypt.
'All the tests were negative so if nothing changes he is available.More news: Biden To Nominate Former Fed Chair Janet Yellen For Treasury Secretary
Egypt's health ministry has confirmed that Salah's latest test was negative, theoretically enabling him to return to Midwick next to Jজrgen Klopp.
Nonetheless Salah's return to training and potential availability for their European clash against Atalanta in midweek will be a welcome fillip for Klopp's injury-hit squad. Naby Keita had to depart the pitch during the club's showdown against Leicester City with Klopp confirming that the midfielder had endured a hamstring problem.
Salah was absent from his team's confrontation against Leicester City, and it is expected that he will not participate against Atalanta in the Champions League before becoming available after that. "One looks closer, the other not so that is the situation", when asked about the fitness of Thiago and Jordan Henderson.More news: Irish PM hopeful of Brexit trade deal outline by end of week
Liverpool ran out 5-0 winners in Italy but for Klopp, the reverse at Anfield is not a foregone conclusion.
He added, "Tomorrow [Monday] we have UEFA testing for the Champions League and I am pretty sure he will be in that".
'Atalanta is a threat even without a point to prove, ' Klopp insisted.More news: Covid cases and one death
"He can now train with us tomorrow, that's it". We know that we have to be ready again. I said it a few times before, we really enjoy playing here.