Director of Immigration Au Ka-wang is undergoing isolation in accordance with the Centre for Health Protection's guidelines after he tested positive for COVID-19 through a rapid antigen test (RAT), the Immigration Department said today.

Mr Au, who has no recent travel history, last went to work today.

He wore masks and followed disease prevention measures at work, including conducting RATs daily.

The department will carry out thorough cleaning and disinfection at the office concerned and continue to implement disease prevention measures vigorously.