A human H7N9 AIV case confirmed in Jinshui district of Zhengzhou city on 5,Feb. The patient, surname Su, 38-year-old male, resident of Tongxu county of Kaifeng city, lived in Zhongyuan district of Zhengzhou city, was receiving treatment in ward three of ICU of Henan people s hospital, remained in critical condition. All 11 close contacts showed no ILI symptoms.