Rocket Punch member Suyoon and Yoonkyoung have tested positive for COVID-19, according to Woollim Entertainment on April 8. 

The label relayed on this day, "Suyoon and Yunkyoung have both completed up to their third doses of the COVID-19 vaccine, and are currently not experiencing any abnormal symptoms other than those of a mild cold. The two members plan to focus on their recovery in isolation, per health authorities' guidelines. As a result, the Rocket Punch members inevitably unable to attend the scheduled fan sign event scheduled for later this week. We will notify fans once the members are ready to resume activities once again."

Meanwhile, individuals in South Korea who test positive for COVID-19 must quarantine for 5 days after receiving their PCR test results.