Johnson has contracted chicken pox, only days after being declared fit following a leg injury and it is hoped he is back for Monday's game with Ipwsich or the clash with
Simek serves the second of his three-match ban following his dismissal against Wolves so Steve Watson will continue at right-back with Kenny Lunt expected to continue in midfield.
Leon Clarke is set to be on the bench following his loan spell at
Brian Laws is hoping that Wednesday can make a late, albeit unlikely run towards the play-offs after Saturday's win at
Meanwhile, the club have released their season ticket prices for the 07/08 campaign with adult prices leading in from £326.
If fans renew before 16 June, discounted rates are available on the North Stand (£396 adult, £101 under-11s), South Stand (£457 adult, £204 under-11s) the Kop and Family Enclosure (£326 adult, £101 under-11s).