A thread on why your immune system has a memory
immunologyscience-communication
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A bite-sized social thread explaining immunological memory — how a single infection can protect you for decades — written for a general audience.
Why does catching chickenpox once usually protect you for life, while you can catch a cold every winter? The answer is immunological memory — and it is one of the most elegant tricks the body has ever evolved. A short thread. 🧵