In China, H9N2 avian influenza virus (AIV) has become widely prevalent in poultry, causing
huge economic losses after secondary infection with other pathogens. Importantly, H9N2 …

H9N2 avian influenza A viruses (AIVs) cause economic losses in the poultry industry and
provide internal genomic segments for the evolution of H5N1 and H7N9 AIVs into more …

Abstract The clade 2· 3· 4· 4 H5Nx is a highly pathogenic avian influenza (HPAI) virus, which
first appeared in China and has spread worldwide since then, including Korea. It is divided …

Background/Objective: Highly pathogenic (HP) H5Nx and low-pathogenicity (LP) H9N2
avian influenza viruses (AIVs) pose global threats to the poultry industry and public health …

For the development of an optimized Egyptian H9N2 vaccine candidate virus for poultry,
various recombinant Egyptian H9N2 viruses generated by a PR8-based reverse genetics …

Clade 2.3. 4.4 c H5N6 avian influenza A viruses (AIVs) may have originally adapted to infect
chickens and have caused highly pathogenic avian influenza (HPAI) in poultry and human …

The present invention relates to an mammalian non-pathogenic, highly-productive-in-
embryonated-egg, heat-resistant, and attenuated clade 2.3. 4.4 c H5N6 recombinant …

Avian influenza viruses (AIVs) are highly infectious pathogen of waterfowls and can
overcome species barriers to infect mammals by acquiring cumulative mutations. Low …