On February 4, Pledis Entertainment confirmed that fromis_9 member Lee Seoyeon has tested positive for COVID-19. All other members have tested negative; however, in order to ensure everyone's safety, all of fromis_9's upcoming schedules will be postponed temporarily.

Read Pledis Entertainment's statement, below:

"Hello. This is Pledis Entertainment.
We would like to inform you that fromis_9 member Seoyeon has been confirmed with COVID-19 and there will be changes to fromis_9’s schedule.
Seoyeon visited a hospital on the evening of Thursday, February 3 after experiencing fatigue and itchy throat and was tested positive for COVID-19 on the rapid antigen test. She moved to a screening center to undergo a PCR test and was confirmed of COVID-19 on the morning of Friday, February 4. She is exhibiting symptoms no other than itchy throat and mild dizziness and currently waiting for treatment guidelines from the health authorities.
All fromis_9 members other than Seoyeon tested negative on the rapid antigen test on Thursday, February 3 and are showing no symptoms. The members have entered into preemptive self-quarantine and are currently waiting for additional instructions and information from the health center such as close contacts and additional PCR testings.
As a result, fromis_9 will postpone some of the fourth mini album related activities, including KBS2 'Music Bank' scheduled to appear today, fromis_9 4th Mini Album 'Midnight Guest' fan signing events slated to take place today and the following dates: Music Plant on Feb 4, Joeun Music on Feb 5, BEATROAD on Feb 6, Shopee on Feb 10, 一直娱 on Feb 12. We will provide you with an update on the activities resumption and the schedules.
We place the highest priority on the health and safety of our artists and we will do everything we can to aid Seoyeon recovery so she can meet her fans well and healthy. We will also continue to fully comply with the requests and guidelines from health authorities.
Thank you."

Get well soon, Seoyeon!