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hjlf
3 years ago
8

Describe what a vaccine is made of and how it helps prevent infection.

Mathematics
1 answer:
12345 [234]3 years ago
6 0

Answer:

Vaccines are made of mixtures that contain either parts of pathogens or whole pathogens that prepare the body's defenses to fight against the pathogens.

hope it helps.

<h2>stay safe healthy and happy...</h2>
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