Inter Milan playmaker Wesley Sneijder is unlikely to play in the Champions League Group F match at Dynamo Kiev on Wednesday despite being included in the squad.
The Dutchman, who has done well to link the midfield with attack since joining from Real Madrid in August, missed the past two games with a leg injury.
"He is very unlikely to be on the pitch in Kiev," Inter coach Jose Mourinho said.
Striker Mario Balotelli and midfielders Sulley Muntari and Thiago Motta also traveled to the Ukrainian capital after illness and injuries.
Italian champions Inter almost never went at all after Ukrainian authorities on Friday banned all public events and imposed restrictions on people's movements for a three-week period following a first death from the H1N1 flu.
However, European governing body UEFA said it had no immediate plans to postpone the match.
Media reports have said the game could be played behind closed doors.
The sides drew 2-2 at the San Siro two weeks ago when former AC Milan striker Andriy Shevchenko missed a great chance to win the game for Dynamo late.
Inter are again stumbling through the group stages with three draws from their first three games.
Luckily for Mourinho, the Ukrainian leaders are just a point above his charges, alongside holders Barcelona and Russia's Rubin Kazan.