A human H7N9 AIV case confirmed in Weihai city of Shandong province on 11th April, the 60-year-old male patient,surname Sun, lived in Daqing road of Weihai city. He had fever and cough on 4th April, he was transfered to Weihai city hospital (from district hospital) for treatment on the morning of 9th,April, now in critical condition. No close contacts showed ILI symptoms so far.