The Centre for Health Protection has learned of two avian influenza A (H7N9) cases on the Mainland, involving one man and one woman.
The patients, one from Zhejiang and the other from Jiangsu, are aged 77 and 89.
Mainland health authorities have reported 777 human H7N9 cases since 2013.
The centre reminded travellers to the Mainland and other avian influenza-affected areas not to visit live poultry markets and farms and to avoid contact with poultry and their droppings.
