Wilshere been out since September after picking up a hairline fracture to his leg during pre-season program and was initially been ruled out for three months.
However, Wenger has revealed the England international has suffered another set back and now doesn’t know when he will be back in an Arsenal shirt.
“He will not be back before February. That’s for sure,” Wenger is quoted as saying by The Daily Telegraph. “I say February but honestly I don’t know. I let him do his recovery. It’s going slowly.
“Once he goes outside to train and is back again into sharp, hard work physically, you count five or six weeks. At the moment he is not there yet.”
Since the start of the 2009/10 campaign, Wilshere has started (79 games) in less than half the amount of matches he has missed in the Premier League (167.
ARSENAL MIDFIELDER JACK WILSHERE’S INJURY WOES
October 2009 – Ankle (out for five weeks)
January 2010 – Hamstring (five weeks)
November 2010 – Back (two weeks)
August 2011 – Ankle (14 months)
February 2013 – Hip (one week)
March 2013 – Ankle (four weeks)
May 2013 – Ankle surgery (seven weeks)
October 2013 – Ankle (two weeks)
January 2014 – Ankle (two weeks)
March 2014 – Ankle (two months)
October 2014 – Ankle (two weeks)
November 2014 – Ankle (five months)
August 2015 – Ankle (Currently sidelined)