Influenza A(H5) has been made notifiable since 30 January 2004. Influenza A(H7) and influenza A(H9) have been made notifiable since 31 December 2004.

• 甲型流行性感冒(H5)於二零零四年一月三十日列為須呈報的傳染病。甲型流行性感冒(H7)及甲型流行性感冒(H9)於二零零四年十二月三十一日列為須呈報的傳染病。