Influenza Virus Changes

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The influenza virus constantly changes and evolves. The influenza virus is well known for its changing. One way that is changes is through genetic shift. The virus contains ten genes which are encoded on eight RNA strands. When one of the genes or strands is switched with a gene or strand from a different Influenza virus that is called antigenic shift. Genetic shift and the variability of the Influenza virus increases the pathogenesis because it creates an entrance for new viruses. Unlike genetic drift, genetic shift is when the virus goes through major changes, resulting in new proteins and new combinations of genes which make it hard for people to be protected from it. It also spreads a lot faster because of genetic shift.

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