我国H5和H7N9亚型高致病性禽流感的监测及疫情暴发分析

doi:10.11843/j.issn.0366-6964.2022.09.024

Abstract

Abstract: Avian influenza virus (AIV) is an important zoonotic pathogen, which severely restricts the healthy development of the poultry industry and poses a great threat to public health. Among them, highly pathogenic avian influenza (HPAI) caused by H5 (H5N1, H5N2, H5N6, H5N8, etc.) and H7N9 subtypes of highly pathogenic avian influenza virus (HPAIV) have great harm to China's poultry industry. Through the implementation of compulsory immunization, the epidemic has been controlled, but there are still outbreaks in poultry flocks, and the prevention and control situation are still severe. This article summarizes all the official outbreaks and surveillance data of poultry infected with H5 and H7N9 subtypes of HPAI as of September 2021, and analyzes their epidemic characteristics intending to provide a reference for the early warning, prevention and control of avian influenza.

Key words: avian influenza virus, H5, H7N9, epidemic characteristics

CLC Number:

ZHOU Yong, LI Zhixin, LU Hongwei, SUN Yan, LI Tian, DU Fanshu, PU Juan. Surveillance and Outbreak Analysis of H5 and H7N9 Subtypes of Highly Pathogenic Avian Influenza in China[J]. Acta Veterinaria et Zootechnica Sinica, 2022, 53(9): 3093-3106.

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Surveillance and Outbreak Analysis of H5 and H7N9 Subtypes of Highly Pathogenic Avian Influenza in China

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