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There are also bird flu virus in dead birds and people infected with the Asian (H5N1) and pandemic influenza virus (H1N1), the results can be easily and has the ability to cross the high growth, They are professors and the graduate's Casio Okutabiani Yoshihiro Kawaoka Yoshihiro Waka kept the Tokyo Institute of Medical Science, announced today the online edition of U.S. magazine.
The new pig or bird viruses, and viruses from mixed human genes are believed to have crossed in pigs. Professor Kawaoka "H5N1 is new and crossed, the virus may appear highly susceptible to human pathogens. It is important to strengthen surveillance of the pig," he said.
Prof. Kawaoka of the eight viral gene that plays a key role in proliferation PB1, PB2, PA, NP's focus on four. H5N1 genes assumes that you replaced the four new gene made the virus crosses the street 16.
The proliferation of both the virus and infect cells were crossed, there were those that were strong and growth. However, H5N1 and seasonal influenza A Hong Kong (H3N2) and similar experiments in combination, the virus was also strong growth ability or do not cross. Prof. Kawaoka Therefore, the new model from H3N2, H5N1, and concluded with the gene are prone to cross.
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