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In 1918 the flu virus killed 20 million people around the world. This virus appears to have jumped the bird to human barrier. A virus is not a living organism. A virus is a protein coat with either DNA or RNA inside. A virus is functional only with the assistance of the host cell it invades. Once inside the cell, a virus takes-over the organelles of the cell to make more viruses. Ironic how the two major driving forces in nature are to survive and to reproduce.
Here are some helpful links to facilitate your understanding of viruses like influenza or the bird-flu outbreak taking place right now.
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