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PLZ HURRY 50 POINTS!!! What is the first step in producing a vaccine against an infectious disease?

A inactivating the disease agent
B testing for vaccine side effects
C finding and isolating the disease agent
D isolating antigens

User Theutz
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2 Answers

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Answer: C. finding and isolating the disease agent

Step-by-step explanation:

User Rece
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Answer: finding and isolating the disease agent

Explanation: :)

User Anna Koskinen
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