Health
How does the flu shot work? How it protects against the flu and why it changes every year – Business Insider Australia
While the world continues to figure out how to get the COVID-19 pandemic in check, another viral menace is just around the corner: influenza season. Luckily, sc…

- The flu shot works by introducing your body to antigens, which produces antibodies that can help your immune system fight off a flu infection.
- The flu shot is made of inactivated flu viruses, so it can help you build immunity without actually making you sick.
- Flu viruses are constantly mutating, so the vaccine is updated annually based on researchers’ best guess of which virus strains will be circulating among people in a given season.
- This article was med…
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