BI-1491
Vaccines
Biology · Secondary 4 · Easy · Vaccines
A vaccine against a virus is injected into a healthy person.
How does this vaccine reduce the chance of the person developing the disease later?
How does this vaccine reduce the chance of the person developing the disease later?
- It stimulates production of specific memory cells that respond quickly to future infections.
- It kills all viruses already present in the blood immediately.
- It permanently increases the person’s body temperature to kill pathogens.
- It blocks all pathogens from entering the body through the skin.
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