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4 votes
Who helped to develop vaccines?

User Bill Grava
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2 Answers

3 votes
Edward Jenner, Louis Pasteur, and Maurice Hilleman
User Batazor
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7.7k points
2 votes

Answer:

Dr Edward Jenner created the world's first successful vaccine. he found out that people infected with cowpox were immune to smallpox.

Step-by-step explanation:

no exceptions

User Atomicharri
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7.2k points
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