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14 votes
14 votes
Why have scientists developed vaccines?

to research medicines


to diagnose conditions


to treat illnesses


to prevent diseases

User Apcelent
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2 Answers

10 votes
10 votes

Answer:

  • scientists have developed vaccines to prevent diseases
User Borek Bernard
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2.7k points
9 votes
9 votes

Answer:

to treat illnesses (number 3)

Step-by-step explanation:

:3

User Doddie
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