1 minExplainer
How vaccines train your immune system
6 min original · Original explainer · Health
A vaccine presents your immune system with a harmless part of a germ, so it can learn to respond quickly later. This short explainer covers immunity, memory cells, and why some vaccines need boosters.
Summary of a 6 min original
Key takeaways
- Vaccines show your body a harmless piece of a pathogen
- Memory cells remember it for years
- Booster doses keep memory strong
Chapters
Sources
Original from: Original explainer
Photo: Whispyhistory, CC BY-SA 4.0, via Wikimedia Commons
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