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Tresset [83]
3 years ago
5

When getting a vaccination, which substance is

Biology
1 answer:
Vlada [557]3 years ago
3 0

Answer – 3. A weakened form of a virus
 When getting a vaccination, the substance which is injected into the body is a weakened form of a virus. This weakened from of the virus has the ability to arouse the body’s defense mechanism without causing an infection. <span>
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