Article: A single immunization with HA DNA vaccine by electroporation induces early protection against H5N1 avian influenza virus challenge in mice.(Research article)(hemagglutinin)

Authors: Liyun Zheng [1,2]; Fuyan Wang [3]; Zhongdong Yang [4]; Jianjun Chen [1]; Haiyan Chang [3]; Ze Chen (corresponding author) [1,3,4]

Background

The outbreak of human infections of H5N1 influenza in 1997 in Hong Kong and in 2003-2004 in most Asian countries demonstrated that purely avian viruses could be transmitted to humans and cause severe disease [1]. Prior to the Hong Kong outbreak, H5 influenza viruses had been isolated only from avian species [2]. They exist in a non-pathogenic form in wild aquatic birds in different regions of the world and in domestic ducks in Southern China [2, 3, 4]. Highly pathogenic avian influenza (HPAI) H5N1 ...

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