Uruguay coach Oscar Tabarez echoed his captain's views.
Egypt's coach assured the media on Thursday that Salah was fully recovered from the injury he suffered in the Champions League final last month.
The usually ruthless Barcelona forward was saved embarrassment for his profligacy by a late header from centre back Jose Gimenez which earned the twice world champions a first ever victory in a World Cup opener. "I'm very proud of the team and the attitude they played with throughout the match".
Salah scored 44 goals in his debut Liverpool season after signing from Italian side Roma for £34.3m.
African representation at the Russian Federation 2018 World Cup got off to an underwhelming start on Friday, as seven-time African champions Egypt lost to South American powerhouse Uruguay.
Unfortunately for Egypt, Salah was apparently not ready to go yet, leaving the team to face Uruguay, the toughest team they'll play in the group stage of the tournament, without their star player. What a wonderful game we played!
Jesse Lingard enjoying Gareth Southgate's 'play with freedom' mentality
Their next session will be held at Spartak Zelenogorsk, a dedicated training base six miles from their ForRestMix Hotel. The team then plays Panama in Nizhny Novgorod on June 24 and finishes against Belgium in Kaliningrad on June 28.
While more than half of his teammates hadn't been born yet, El-Hadary was just starting his career the last time Egypt qualified for a World Cup in 1990.
Federation Internationale de Football Association is investigating why Egypt and Uruguay played in front of thousands of empty seats at their Soccer World Cup match in Yekaterinburg on Friday.
"Perhaps if Mo had been on the pitch today the outcome would have been different, but we can't know that".
"We think we are cursed, we are cursed", said Tabarez, who insisted that he hopes Egyptian talisman Salah will be fit after three weeks out injured with a shoulder problem.
Russian Federation leads Group A on goal difference after beating Saudi Arabia 5-0 on Thursday in the tournament's opening match.
Photos from Egypt training suggested Salah required the help of team-mates to put on a shirt, adding to the doubt surrounding the situation.
In the history of football we have broken a spell.