How an mRNA vaccine trains your body

Process map by Brian. 18 steps, 2 layers. Tags: science, health, biology.

1. You: Get the injection
2. The vaccine: Tiny fat bubbles (lipid nanoparticles) carry the mRNA into cells
3. Your cells: Cells read the mRNA and build a harmless piece of the virus, the spike
4. Your cells: Show the spike on the cell surface
5. Your immune system: Immune cells spot something foreign
6. Your immune system: Build antibodies and train T cells
7. Your cells: The mRNA breaks down within days
8. Your immune system: Memory cells remain
9. You: The real virus arrives
10. Your immune system: Do the memory cells recognize it?
11. Your immune system: A fast, strong response: a milder illness
12. Your immune system: A smaller response, and boosters update the memory

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