Xianju county of Taizhou city reported a human H7N9 AIV case on 8th, Fe 2017. The 75-year-old female patient, surname Zhang, resident of Anzhou street, is now in Xianju county hospital for treatment. Though the three rapid antigen test against influenza A of the patient were negative from 3rd~6th, Feb, the PCR result of the patient tested positive by Taizhou city CDC on 8th,Feb. 14 close contacts of the patient showed no ILI symptoms under medical monitoring