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Since its identification in April 2009, a swine-origin H1N1 influenza A virus (S-OIV) which is a reassortment of gene segments
from both North American triple-reassortant and Eurasian swine influenza has been widely spread among humans in unexpected
rapidity. To date, each gene segment of the 2009 influenza A (H1N1) outbreak viruses have shown high (99.9%) neucleotide
sequence identity. As of July 6, 94,512... |
