The influenza virus is a common virus found in many places around the world and comes in three different subtypes A,B, and C. Influenza A subtype is the most infectious subtype. It causes pandemics with significant mortalities in affected young people for that it has a wide host range including human, pigs, horses, and birds. All the three influenza subtypes contains the same segmental genome and enveloped glycoproteins. The virus is spherically shaped, ranging from 80 to 120 nm in diameter. It contain 3 proteins on their outer surface, H, N, and M2. It also contains a matrix protein M1 below the outer surface. Every protein have different function that helps the virus to penetrate and insert the animal’s cells. The virus also contains eight segments of single stranded negative polarity RNA. Once the virus infect the cell , it will travel to the nucleus to replicate its genome, then the viral mRNA will transfer to the cytoplasm for translation into viral proteins. Once all the viral proteins are formed, they will all aggregate and get released from the host cell (Shors, 2013).Reza Mortazavi/Sandbox 1. Click above on edit this page to modify. Be careful with the < and > signs.
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Structural highlights
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