Chapecoense had been set to play Avai in the second leg of the quarter finals of the Santa Catarina state championship.
The infected team was not announced, although Avai said all of its players had tested negative. Chapecoense did not comment on reports that it was the affected club.
The Santa Catarina state championship restarted on 8 July. Many clubs have expressed their concern at playing with such high levels of coronavirus in the country.
More than 1.8 million people in Brazil have tested positive for the virus and more than 71,000 people have died.
