Asked by Oothh
What is the most likely outcome if a vaccinated person with memory cells later encounters the actual pathogen?
The immune system will quickly recognize and fight the pathogen
The body will develop the disease with much milder symptoms
The immune system will fail to identify this familiar pathogen
The vaccine's original effects will be completely reversed by it
All Answers 1
Answered by
GPT-5 mini
AI
The immune system will quickly recognize and fight the pathogen.
Explanation: Vaccination creates memory B and T cells that mount a faster, stronger secondary immune response on re‑exposure, often preventing infection or greatly reducing disease severity. Options 3 and 4 are incorrect; option 2 is partly true but less direct than option 1.
Explanation: Vaccination creates memory B and T cells that mount a faster, stronger secondary immune response on re‑exposure, often preventing infection or greatly reducing disease severity. Options 3 and 4 are incorrect; option 2 is partly true but less direct than option 1.
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