This is the 103rd most frequent Chinese word.
確診
"確診" means "to diagnose (a disease) definitively."
The word '確診' is used here as a verb meaning 'to diagnose' or 'to confirm a diagnosis'.
醫生昨天確診我得了流感。
The doctor diagnosed me with the flu yesterday.
The word '確診' is utilized here to indicate confirmation of a diagnosis, typically through testing or medical evaluation.
他已經確診為新冠病毒陽性。
He has been diagnosed as positive for COVID-19.
Here, '確診' is part of the term referring to the process of reaching a definitive diagnosis.