Fulham players account for two of the three positive coronavirus test results produced in the latest round of Championship testing.
Hull City mengesahkan terdapat dua kes positif Covid-19 dalam pasukan Liga Kejuaraan itu.
Two unnamed individuals at Hull City will self-isolate for a week after testing positive for coronavirus.
West Brom suffered a shock defeat to Wigan that leaves Leeds breathing down their necks and Fulham not far behind in the Championship.
After West Brom won on Tuesday, second-placed Leeds United moved back within four points of the Championship pacesetters.
The Championship's top two - Leeds United and West Brom - won again on Saturday to strengthen their grip on the automatic promotion places.
Rhian Brewster scored to give Swansea City a late lead at Hull City, but the hosts hit back to secure a point on Friday.
Leeds United come away from Brentford with a commendable point, while Nottingham Forest suffered a shock home defeat.
Wigan Athletic enjoyed another trip to Elland Road on Saturday, beating Leeds United to give West Brom the chance to go top.
Manchester United got Odion Ighalo on loan, West Ham spent big on Jarrod Bowen and Marko Pjaca left Juventus on deadline day.