"The results of the latest Covid-19 tests carried out on Wednesday, unfortunately, indicate that Mehdi Carcela is positive," the Belgian Football club said in a statement.
"He will not be selected for our next match scheduled this Saturday against Eupen," Standard de Liège added.
Carcela, 31, played 11 games this season with his team. In addition to Saturday's game against Eupen, Carcela could also miss the Europa League game against Polish club Lech Poznan, slated for November 26.