On April 4, The Boyz's label Cre.Ker Entertainment notified fans as follows via the group's official SNS platforms.
"Back on April 3, The Boyz's Jooyeon visited a special testing center dedicated to COVID19 prevention and completed his examination; on April 4, his results came back 'negative'. We ask that all The B's please practice COVID19 prevention measures such as hand washing, wearing masks, etc."
Previously, it was reported that a staff member of girl group EVERGLOW tested positive for COVID19. As a result, all 6 members of EVERGLOW underwent testing, and The Boyz's Jooyeon and Kim Min Kyu were advised to receive testing as they work with EVERGLOW member Sihyun on 'The Show'.