The 25-year-old has been out of action for close to three weeks after sustaining an injury in Newcastle’s 1-0 loss to Bournemouth.
Atsu has since not recovered from the setback and has already missed games against Manchester United and Watford.
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The Ghana international is still a long way from regaining full fitness, with manager Raphael Benitez revealing that he will miss upcoming games against West Bromwich Albion and Chelsea.
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The Magpies will play the Baggies on Wednesday night, before travelling to Chelsea on Saturday in a tough fixture pile.
Giving updates on Newcastle’s injury situation, Benitez said: "Each one is different.
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"Dummett's training, but still he needs to have the confidence that he can sprint at 100% and all these things, so still a little time.
"Atsu is still recovering, but still a couple of weeks. We'll see how he's going on with his recovery.
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"Jamaal, I have been talking with. He can run, but still he needs to manage it a little bit when he has to turn.
"How long? Not for this game. Chelsea? Very difficult for all three."
Newcastle United lie 14th on the Premier League log, having failed to win any of their last four league games.