Medium Transport; Low Wing; 2 Turbojet Eng
Air Traffic Control Developmental
Communication Breakdown; Workload
ATC Issue All Types; Conflict Airborne Conflict
Air Traffic Control Issued Advisory / Alert
Environment - Non Weather Related; Human Factors; Staffing
The traffic volume was very high for one Controller.  I cleared Aircraft X for the visual approach and he didn't start the descent as fast as I thought he would.  Aircraft Y was headed north and I noticed it when they were too close; but know that they were not going to come together.  I told them about each other and they were not concerned.The traffic volume was extreme; but this is due to COVID.
TRACON Controller reported an airborne conflict and cited traffic volume being very high for one Controller.