Manchester City striker Sergio Aguero missed his side's FA Cup win against Birmingham as he was self-isolating.
Aguero was unavailable for the game at the Etihad Stadium as he had been in contact with a person who tested positive for coronavirus.
However, Aguero himself has tested negative.
Speaking post-match, City manager Guardiola said: 'He is isolating, unfortunately. He was in contact with one person who was positive. It is a pity. It was a perfect day to get minutes but unfortunately he has to be a few days out.