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Vaccines are produced from weakened or killed 1. red blood cells 2. pathogens. 3. antibodies 4. white blood cells
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1 vote
Vaccines are produced from weakened or killed

1. red blood cells
2. pathogens.
3. antibodies
4. white blood cells

User Nsdiv
by
6.6k points

1 Answer

3 votes

Answer:

I think the answer is red blood cells

so 1

User Christopher Barber
by
7.3k points
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