Changsha city of Hunan province reported an additional human H7N9 AIV case on 5th,Feb. The 69-year-old female patient, surname Zou, resident of Tianxin county of Changsha city, had poultry contact history. The patient is now receiving treatment in ICU of a designated hospital in Changsha, in serious condition. This is the second human H7N9 case(include the first case reported in Xiangtan city of Changsha city on 4th,Feb) in Changsha city since 2017