A new study explains why it's so important to keep getting updated #COVID19 booster vaccinations. It's dense and scientific, so here's a plain-language summary.
When your immune system first meets a virus (via infection or vaccine), it builds memory cells tuned to that exact version. When you're later exposed to a mutated variant—and COVID keeps mutating—your immune system tends to “recall” those old cells rather than build new ones. This is called “immune imprinting.” (1/4)
Augie Ray
npub16l…tyrn8
2026-08-29 14:58:00 UTC
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2026-08-29 14:58:00 UTCEvent JSON
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