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18 votes
18 votes
A vaccine is made from...

a. Proteins produced by the body’s immune system.
b. A weakened or dead form of a pathogen.
c. Body cells that are immune to a disease.
d. An antibiotic used to treat an infectious disease.

User Amrro
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1 Answer

15 votes
15 votes
D I believe is the answer
User Steveire
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