Arsenal head coach Mikel Arteta has tested positive for COVID-19.
The Engish Premier League club has closed its training ground, while its players and staff will now self-isolate.
As a result, Arsenal's game against Brighton on Saturday has been postponed.
Club statement: COVID-19— Arsenal (@Arsenal) March 12, 2020
Chelsea winger Callum Hudson-Odoi has also tested positive for coronavirus.
The 19-year-old started to show symptoms on Monday, and he hasn't been at the training ground since.
The full men’s team squad and coaching staff at the club is now under quarantine.
Club statement.— Chelsea FC (@ChelseaFC) March 13, 2020