Control of highly pathogenic avian influenza in Anhui Province

Introduction: The reporter learned from the city's avian influenza prevention and control headquarters located in Chaohu City Agricultural Committee of Anhui Province later on July 6 that H5N1 subtype highly pathogenic avian influenza occurred in the residential area where the city government is located since July 3, and no cases have been transmitted to human beings After timely and large-scale use of chlorine containing disinfectants and effective cutting off of the transmission path, the epidemic has been controlled and has not occurred There is a risk of large-scale spread It is understood that on July 3, a large area of chickens died suddenly in a chicken farm near Chaohu in Juchao District, Chaohu City, Anhui Province It was preliminarily diagnosed as highly pathogenic avian influenza by the local veterinary department, and immediately reported to the Ministry of agriculture The Ministry of agriculture immediately sent a supervision and guidance group to Chaohu City, urging and guiding the local government to put out the epidemic, implement various epidemic prevention measures and prevent the spread of the epidemic According to the regulations, the local government sent the disease materials to the National Avian Influenza Reference Laboratory for pathogen isolation and identification At the same time, according to the animal quarantine law, the epidemic area was blocked, all poultry within 3 km around the epidemic area were killed, and the poultry within 5 km around the epidemic area were forcibly immunized On July 6, the National Avian Influenza Reference Laboratory finally confirmed that chickens died in Chaohu, Anhui Province, which was caused by H5N1 subtype highly pathogenic avian influenza Because the infected chicken farm is located on a relatively isolated hillside, the chickens in the epidemic were purchased from the local area, but there was no epidemic in the place where they were introduced Experts determined that the source of the spread of the epidemic might come from the migratory birds and waterfowls in Chaohu Lake According to relevant experts, the highly pathogenic avian influenza caused by H5N1 serotype is a cold virus infectious disease, which is designated as a Class A infectious disease by the World Health Organization At present, it is the high temperature season in summer High temperature and ultraviolet radiation can be called the "killer" of influenza virus, which can quickly destroy its infectivity The relevant departments have informed the FAO, the World Health Organization, Hong Kong, Macao and Taiwan of the epidemic situation and prevention in time The reporter learned that although the situation has been effectively controlled, Chaohu City's headquarters for the prevention and control of avian influenza still operates normally 24 hours a day, paying close attention to the development of the situation (reporter Huang Yong and Dong Wei)