How can I find information on how rabies vaccinations have change through the ye!

Question:
I would like to know how the vaccine has "evolved" per say since it was first created. I know that Pasteur created it but i would like to know how much it has changed and how efficient they have made it so far. Please give an honest answer, i seriously need help on this project.
Answers:
I would recommend going to the center for disease control site.
Answers:

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How can I find information on how rabies vaccinations have change through the ye!

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