Which of the following best explains why the inventions
of vaccines was so important?
A-Vacci...
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Which of the following best explains why the inventions
of vaccines was so important?
A-Vaccines have been invented for many different diseases
in the US.
B-Vaccines have helped lower the number of cases of
several diseases in the US.
C-Vaccines have eliminated many diseases in the US.
D-Vaccines have completely cured rubella and polio.
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Answers: 3
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