Final answer:
The Sabin and Salk polio vaccines play vital roles in eradicating polio. The Sabin vaccine is oral and attenuated, mimicking natural infection, while the Salk vaccine is an inactivated vaccine delivered through injection.
Explanation:
The Sabin poliovirus vaccine and the Salk poliovirus vaccine are both critical in combating polio. While the Sabin vaccine is an oral vaccine that contains an attenuated virus and mimics the normal route of infection, the Salk vaccine is an inactivated vaccine that is delivered through an intramuscular injection.
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