One patient infected with H7N9 avian influenza in Jinyun County, Zhejiang Province

ObjectiveTo investigate and analyze the epidemiological characteristics of 1 recent case of human H7N9 avian influenza, and to provide reference for the prevention and control of human infection with H7N9 avian influenza.

MethodsEpidemiological investigation was done on patients, close contacts and wading places, collecting samples and environmental samples of respiratory tract, detecting H7N9 virus DNA by fluorescent PCR method.

ResultsPatient Hwang had onset on May 20, 2017, and on May 24 was diagnosed with human infection with H7N9 avian influenza; before the onset Hwang had a history of contact with live poultry and exposure with farmers market; and in his environment were found multiple H7N9 positive samples; 14 close contacts did not present with symptoms of acute respiratory tract infection.

ConclusionLive poultry exposure and exposure to live poultry trading market proves to be a high risk factor for human infection with H7N9 avian influenza, and it is recommended to strengthen the hygiene management and disinfection work in the farmers′ market.