How do vaccines protect against disease?
Answer and explanation
Correct answer: C. They stimulate the body to make antibodies and memory cells
- Step 1: A vaccine exposes the immune system to a harmless form of an antigen.
Answer
They stimulate the body to make antibodies and memory cells.
Why not the others: They contain antibiotics: vaccines do not kill bacteria directly; They supply ready-made antibodies for life: protection comes from memory cells; They destroy all pathogens in the blood: they train the immune system.
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