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2 votes
All vaccines are produced from dead or weakened:

a
Phagocytes
b
Allergens
c
Earthworms
d
Pathogens

User Yupi
by
8.2k points

1 Answer

2 votes

Answer:

d

Step-by-step explanation:

because that is the virus and they put the virus in all vaccine but weakend

User Kemzie
by
8.5k points
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