"We will try to get the team up again and make sure that we deliver the best we can in the next few games, that's all I can do," Waqar told Sky Sports News.
"There is no doubt it is a big challenge, but I will try to make the most of it and I'll try to make sure everybody is nicely focused on the games," he said.
Pace duo Mohammad Asif and Mohammad Amir and Test skipper Salman Butt will face questioning by the Pakistan Cricket Board tomorrow over spot-fixing allegations.
Asif, Amir and Butt, who are in Taunton, preparing for Pakistan's tour match against Somerset, will be quizzed by Pakistan Cricket Board chairman Ijaz Butt and the country's high commissioner.
Pakistan are scheduled to play two T20 games and five one-day internationals starting September 5.
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