How vaccines train the immune system to remember a threat
Vaccines show the body a harmless preview of a pathogen so it builds antibodies and memory cells before a real infection arrives.
Priya Nair covers science and health for Tilias News, translating peer-reviewed research and public-health guidance into plain English. She is careful to separate what the evidence shows from what is still uncertain.
Vaccines show the body a harmless preview of a pathogen so it builds antibodies and memory cells before a real infection arrives.
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