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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, also known by its generic name, oseltamivir, is an antiviral drug used for the treatment of influenza. It works by slowing down the rate at which viruses infect cells. However, in common with other antivirals, Tamiflu does not eliminate the flu virus from the body, rather it slows its progress.