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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: Oseltamivir belongs to the family of medications called antivirals. It is used to treat the influenza viruses that cause the flu. It works by inhibiting an enzyme the flu virus needs to spread through your body. If it is used within 2 days of the start of flu symptoms, oseltamivir can reduce the time it takes for flu symptoms to improve by about one day.