Hanson said on Wednesday he was considering withdrawing from the Vivendi Cup, a day before the new European Tour event starts at Golf de Joyenval on the south western outskirts of Paris.
The Swede set up a doctor’s appointment for late Wednesday.
“I have got a bit of a chest infection, a bit of a cold,” Hanson said. “I felt it first on Tuesday and now I feel bit worse. It’s not the ideal way to prepare here and I don’t want to be sick next week.”
If Hanson were to withdraw, it would be a huge blow to the tournament, as Hanson was one of only two members of this year’s Europe team trying to fine tune their games near Paris before heading for the Ryder Cup in Wales.
The other was Irishman Padraig Harrington, who added the trip to France to his schedule only when he failed to qualify for this week’s PGA Tour Championship in Atlanta.
Despite not winning for two years, Harrington was in France to work on the mental rather than the physical side of his game.
He also was thankful that the pro-am format for the first 36 holes allows him to play with his older brother Fergal, a 13 handicapper.
“I am concentrating on my mental preparation,” Harrington said. “And playing in a team format here could be useful the week before the Ryder Cup.”
Vivendi joined the list of European Tour sponsors in 2009 when they rebranded and relaunched the Seve Trophy as a match between teams from Britain and Ireland against Continental Europe.
Now they have signed a deal to retain the team competition in non-Ryder Cup years under the Vivendi Trophy title, with the Cup being played for by a full 156-strong field in alternate years.