Vaccinations can help build immunity. Vaccines stimulate the body to make an immune response. What is in a vaccine that causes the immune system to respond? antibiotic antiviral drug spinach killed or

asked Jan 26, 2022 160k views

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Killed or weakened pathogen

Hoha answered Jan 28, 2022

by Hoha

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10 votes

Answer:

killed or weakend pathogen

Step-by-step explanation:

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