EDEN PRAIRIE, Minn. -- Minnesota Vikings rookie receiver Percy Harvin missed his second straight practice because of an illness on Friday. He is listed as questionable for the game against San Francisco on Sunday.
It's the third time since joining the Vikings in April that Harvin has fallen ill and missed a team or league function.
Linebacker E.J. Henderson is also listed as questionable with a shoulder injury. He missed practice on Wednesday and was limited on Thursday and Friday.
Running back Adrian Peterson was listed as probable with a back injury. He participated in the entire practice for the first time all week.
Safety Madieu Williams is also probable with a shoulder injury, as is tight end Jim Kleinsasser with a hand injury.