The AFP reports,

Ariel Sharon’s progress since his massive brain haemorrhage has stunned doctors but the Israeli premier still faces a long and rocky road to recovery, his chief neurosurgeon told AFP.
Despite growing hopes among supporters that Sharon might still be able to lead his new Kadima party into March elections, the Argentine surgeon stressed it could take months to know if he would fully recover his faculties.
“He is a very strong person. If someone had told me this was going to happen a week ago, I wouldn’t have believed it,” said Felix Umansky in an interview Wednesday.

So much for being dead…