Real Madrid star Kylian Mbappé has been hospitalized “to treat an acute case of gastroenteritis,” the club announced Thursday.

Real Madrid says forward Kylian Mbappe has been hospitalized with an acute case of gastroenteritis. World Cup winner Mbappe missed Madrid’s opening game at the Club World Cup against Saudi Arabian team Al Hilal in Miami on Wednesday because of a fever.

Real Madrid superstar Kylian Mbappe is being treated in hospital in the United States after suffering a stomach bug, the Spanish giants said on Thursday."Our player Kylian Mbappe is suffering from an acute case of gastroenteritis and has been admitted to hospital in order to undergo a series of tests and follow the appropriate course of treatment,