Beneath this surface is a complex matrix of encoding genes, containing six segments: M, NP, NS, PA, PB1, PB2 – said in The Threat of Pandemic Influenza (2006). [2] These strands take the role to code victims cell's compounds, from nucleprotein to polymerase. ... From few numbers of virus at the beginning, they can multiply to billions and propagate in whole body of the host. ... In September 2006, with the return of H5N1, the inactivated oil emulsion vaccine that was testing in Vietnam on the poultry failed to protect the ducks and waterfowls from being infectious. [6]. ...

• Word Count: 1435
• Approx Pages: 6
• Has Bibliography
• Grade Level: Undergraduate