this post was submitted on 03 Jan 2024
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science

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[–] [email protected] 6 points 10 months ago

Just like the flu, the virus is mutating. Boosters may not always target the newest mutation, but they're closer to it than the previous year's booster. Further, over time your immune system will gradually "forget" how to fight viruses it hasn't seen in a long time. Both of these are each reason enough to get annual vaccinations for COVID and the flu.