CCTV  (Purpose) Identify the route of the patient Identify patient’s clinical symptoms
Evaluate the exposure risks of contacts  Check whether the patient was wearing protective gear (e.g., mask) and the patient’s clinical condition at the corresponding location
Help evaluate the risk of exposure if there is a large unspecified number of contacts  Long time needed to check the CCTV
There are limitations to clearly identify if there is no internal CCTV or blind spots are present  National Police Agency