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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.
Research by the London School of Hygiene and Tropical Medicine and the University of Michigan found that oseltamivir, which is marketed as Tamiflu, cuts the length of disease by one day and significantly reduces the chances of life-threatening complications.