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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 is a prescription antiviral medication that can be used to treat an influenza infection (also known as the flu) in children and adults if their symptoms have started within the last day or two. It can also be used to prevent the flu in children, teens, and adults who have been exposed to the influenza virus.