"They were supposed to take all the logos down before the game started," Dalcom director Cho Young-june told the BBC. "But there were several hairbands and logos left to be

caught by public eye." K League has advised players to avoid excessive goal celebrations, handshakes, spitting and talking closely with other players as part of its anti-virus measures.

The South Korean top-flight, along with the Belarussian league, have now been joined by the German Bundesliga.