Arsenal defeated Brentford 3-1 in the Premier League on Wednesday, but the team didn't have ideal preparation for the match because of a virus outbreak, revealed coach Mikel Arteta.
"It affected players on the pitch and off the pitch," said Arteta after the match. "It is nothing serious. But it wasn't the ideal situation. In relation to the symptoms, with Kai (Havertz) it was obvious. He wasn't feeling well at all. He had very clear symptoms."