This is the 4469th most frequent Korean word.
확진돼
"확진돼" means "confirmed (as in diagnosis)."
'확진돼' shows the verification of having a cold and its consequences, namely staying home from work.
많은 사람들이 감기에 걸렸다고 확진돼 출근을 하지 못했습니다.
Many people were diagnosed with the flu and could not go to work.
Here, '확진돼서' implies someone has been diagnosed with an illness, specifically COVID-19.
그는 코로나19에 확진돼서 격리되었습니다.
He tested positive for COVID-19 and was quarantined.
The word '확진돼' indicates that the patient has been confirmed to have a particular disease for treatment purposes.