Previously Suga was diagnosed with COVID-19 on December 24th as soon as he returned home from the States. Since then, he has gone under self-quarantine. And today, the label has released an official statement confirming that Suga has recovered.

ŌĆ£Hello, this is Big Hit Music. We would like to inform you that BTS member Suga has made a full recovery from COVID-19, and his quarantine has concluded as of today (January 3rd) at noon. Suga, who had been receiving treatment from home for the past 10 days from Friday, December 24th, is now able to return to his daily activities. Suga did not exhibit any particular symptoms during his quarantine and is currently recuperating while resting at home. We would like to thank all fans who have shown concern for the artistŌĆÖs health, as well as those in the medical field who are doing their best to overcome COVID-19. We will continue to place the artistsŌĆÖ health as our top priority and vigilantly follow health care guidelines. Thank you.ŌĆØ Meanwhile, RM and Jin are also getting treatments after testing positive for COVID-19. BTS will host an offline concert in Seoul in March and drop a new album afterwards. Source (1) ┬Ā

BTS  Suga Released from Quarantine After Recovering from COVID 19 - 33