England:The hosts could be without Kevin Pietersen for the final test at the oval starting on Thursday.
The Hampshire batsmen who is down with high temperature didn't come for his team's net session on Tuesday.
England spokesperson confirmed that his condition would be reassessed on Wednesday morning.
Pietersen is the second highest run scorer for his team and in this series his century at lords had got him the man of the match award.
Incidentally, Pietersen has never missed a test match since his debut in 2005.