The Colombian national team is facing a major concern ahead of the match against Switzerland.
A flu has spread in the Colombia camp, affecting several footballers.
"Blick" wrote on Sunday that some Colombian footballers did not feel well during the 1/16 final match against Ghana due to the flu.
Some of the players were not able to give their best.
Colombia star James Rodriguez has spoken out on the matter.
He stated that many of the football players are affected by the flu.
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"There is a constant virus circulating and many of us are affected. Now we are fully focused on the match against Switzerland," said the former Real Madrid and Bayern Munich player.
Colombia faces Switzerland in the round of 16 of the World Cup on Tuesday.
