Salah avoided the worst drought of his short Liverpool career in first-half added time thanks to his anticipation and no shortage of Shaqiri brilliance, netting his 30th goal in his last 31 Anfield appearances.
With Liverpool to play Chelsea in back-to-back games on Wednesday and next Saturday, and a trip to Napoli to come the following Wednesday, any absence for the 27-year-old could be costly.
While last season all the praise was lavished on Liverpool's front three, so far it has been the midfield which has been winning all the plaudits.
The German, whose side opened their Champions League campaign with a thrilling 3-2 home win over French champions Paris Saint-Germain on Tuesday, said Croatian central defender Dejan Lovren, who has yet to feature after picking up a hip problem at the World Cup, is getting closer to return to the squad.
Liverpool: Alisson, Robertson, van Dijk, Matip, Alexander-Arnold, Henderson (C), Wijnaldum, Mane, Salah, Shaqiri and Firmino.
Liverpool stayed flawless in the Premier League with its sixth straight victory on Saturday after beating Southampton 3-0 at Anfield.
"The defensive side the last two games were outstanding, perfect", he said. That says everything about him that he is really ready to work for the team in these moments.
'Finishing is something you can never take for granted, players shouldn't do that. He lost the ball before we conceded the second against PSG, it was not the reason I took him off.
'Saints were not bad, they were really good, but maybe in the final third they were not the biggest threat.
But divisive contrarian Joey Barton has some criticism for Reds supporters as the Fleetwood Town manager, who is not afraid to voice a dissenting opinion, claims that the reason for Liverpool's Premier League trophy drought is down to the fact that the club's fans only give their all on European nights.