BI-1457
Vaccines
Biology · Secondary 4 · Medium · Vaccines
A person recovers from an infection by a certain virus. Later, they are given a vaccine against the same virus. What is the main role of this vaccine in reducing deaths from this viral disease?
- To directly kill all viruses already inside the body
- To stimulate the body to produce memory cells against the virus
- To neutralise toxins produced by the virus during the current infection
- To act as an antibiotic that stops viral protein synthesis
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