NS of HPH5N1 comes from the ancestor of the H7N7 bird flu virus, which has become included in the population of quail H9N2 in China. Introduction of NS and the other internal five genes (nucleotide, PA, PB1, PB2 and matrix) population from a quail H9N2 HPH5N1 is responsible for the outbreak of HPH5N1 infection in humans in 1997 in Hong Kong, and chicken.
การแปล กรุณารอสักครู่..
