Salah was forced to return to Merseyside early from global duty after picking up a groin injury during Egypt's African Cup of Nations win over Swaziland.
Salah returned early from global duty after being forced off with a muscle strain during Egypt's 4-1 victory over Swaziland in an African Nations Cup qualifier last Friday.
A spokesperson for the EFA said the "allegations are incorrect", but did confirm Salah arrived at the Egypt squad with a report on his medical condition - as is common practice.
Sadio Mane has also had surgery for his hand injury and is a big doubt for the game against struggling Huddersfield. The forward could play with a protective cast on his left hand, should the club be willing to take the risk.
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Additional symptoms include facial drooping or weakness, difficulty moving the eyes, difficulty swallowing and slurred speech. One thing scientists do know is that only one person in a million is infected with AFM each year in the United States.
But Salah overcame a muscle complaint to return to training yesterday while Netherlands boss Ronald Koeman allayed fears over Van Dijk's fitness by declaring that he was rested for his country's second game as agreed with Liverpool before the break.
Liverpool will be expected to beat Huddersfield and maintain their unbeaten start to the Premier League but the fixtures will keep coming thick and fast with a game against Red Star Belgrade next up in the Champions League.
Mane underwent surgery on Wednesday after returning from worldwide duty where Senegal trounced Sudan 3-0 on Saturday.