The Centre for Health Protection is investigating an imported H7N9 case in Hong Kong affecting a 61 year-old-man who had travelled to Dongguan.
He travelled to the city twice this month and bought two slaughtered chickens at a wet market there on February 14.
He returned to Hong Kong, and developed a cough and shortness of breath since February 16.
He was admitted to Queen Mary Hospital on February 20 and tested positive for influenza A(H7).
He is in critical condition in the Intensive Care Unit.
His home contacts in Dongguan have no symptoms.
