Third Wave of Influenza A(H7N9) Virus from Poultry, Guangdong Province, China, 2014–2015
نویسندگان
چکیده
Fourteen influenza A(H7N9) viruses were isolated from poultry or the environment in live poultry markets in Guangdong Province, China during 2014-2015. Phylogenetic analysis showed that all viruses were descended from viruses of the second wave of influenza A(H7N9) virus infections during 2013. These viruses can be divided into 2 branches.
منابع مشابه
A8 The epidemiology and evolution of influenza A/H1N1 and A/H3N2 virus from 2010 to 2015, in Ho Chi Minh City, Vietnam
waves have been detected in China. Live poultry market (LPMs) exposure is regarded as a major risk of H7N9 virus infection. However, despite strict interventions implemented in the epicenter cities during each outbreak, reports indicate a gradual nationwide spread of the virus. In this study, the impact of LPMs interventions in virus persistence and transmission in the province of Guangdong, th...
متن کاملEffect of Live Poultry Market Interventions on Influenza A(H7N9) Virus, Guangdong, China
Since March 2013, three waves of human infection with avian influenza A(H7N9) virus have been detected in China. To investigate virus transmission within and across epidemic waves, we used surveillance data and whole-genome analysis of viruses sampled in Guangdong during 2013-2015. We observed a geographic shift of human A(H7N9) infections from the second to the third waves. Live poultry market...
متن کاملA7 Evolution of influenza A(H7N9) viruses from waves I to IV
waves have been detected in China. Live poultry market (LPMs) exposure is regarded as a major risk of H7N9 virus infection. However, despite strict interventions implemented in the epicenter cities during each outbreak, reports indicate a gradual nationwide spread of the virus. In this study, the impact of LPMs interventions in virus persistence and transmission in the province of Guangdong, th...
متن کاملGenetic Changes of Reemerged Influenza A(H7N9) Viruses, China
To the Editor: From March 30, 2013, through April 8, 2014, a total of 401 human infections with novel avian influenza A (H7N9) virus were reported in China (1). In the initial wave from February through May 2013, cases were laboratory confirmed for 133 patients (45 died), mainly in eastern China. From June through early October 2013, only 2 laboratory-confirmed cases were reported in China. One...
متن کاملGenetic diversity of the 2013–14 human isolates of influenza H7N9 in China
BACKGROUND Influenza H7N9 has become an endemic pathogen in China where circulating virus is found extensively in wild birds and domestic poultry. Two epidemic waves of Human H7N9 infections have taken place in Eastern and South Central China during the years of 2013 and 2014. In this study, we report on the first four human cases of influenza H7N9 in Shantou, Guangdong province, which occurred...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره 21 شماره
صفحات -
تاریخ انتشار 2015