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How Tamiflu Works: For the virus to penetrate human cells and then spread the infection to other cells throughout the body, it relies on an enzyme called neuraminidase (NA) that has a mushroom-like shape. The virus utilizes this enzyme to bust out of the host cell and spread lots more viruses (and chaos) throughout the body.
Tamiflu Actions. Tamiflu acts by reducing the number of cells in your body that are affected by the influenza virus. It does this by binding to a coating, called neuraminidase, that's found on the surface of the virus. Neuraminidase allows the virus to penetrate healthy cells, where it can then produce more copies of the virus.