Shaqiri
The 27-year-old Liverpool player missed training on Monday and was instead examined in a Zurich hospital.
Serbia refuses to recognize the independence of its former province Kosovo, whose 1.8 million people are mostly ethnic Albanians.
Liverpool scored three second half goals as they wrapped up their pre-season tour of America on Saturday with a dominating 4-1 victory over Manchester United at Michigan Stadium.
Liverpool have boosted their attacking options with the signing of Switzerland forward Xherdan Shaqiri from Stoke City on a long-term contract, the Premier League club said on Friday.
FIFA said late on Saturday it had fined the Polish Football Association 10,000 Swiss francs for what it said was an offensive banner displayed by Polish fans.
Switzerland's 2-1 World Cup win over Serbia was given a mixed reaction by Swiss media
The Brazilian national team well known as Seleção is getting ready to start its path to the World Cup title, with their first match against Switzerland.
