NORTHAMPTON, ENGLAND - JANUARY 24: Watford U23 coach Harry Kewell gives instructions at half time during a friendly match between Northampton Town and Watford U21 at Moulton College on January 24, 2017 in Northampton, England. (Photo by Pete Norton/Getty Images)

Socceroos great and Oldham manager Harry Kewell has tested positive to COVID-19.

The 42-year-old has been forced to isolate for 10 days, missing Oldham's 1-1 draw against Carlisle midweek.

According to the League Two club, Kewell was “feeling unwell towards the end of the weekend” and hasn't been at any club commitments since.

“He was subsequently re-tested yesterday, but was not present at training since developing symptoms,” the club statement said.

“The daily screening protocol and guidance from the EFL and government is still being followed in what is still a challenging time for all.

“The club would like to wish Harry a quick recovery and look forward to welcoming him back once it is safe for him to do so.”

After a horrid start in the English fourth division, the Kewell-led Oldham Athletic defeated Salford City on the weekend for their first victory of the season.

Kewell has previous managed Crawley Town and Notts County in England.