Answer:
The weakened polio viruses will enter the blood stream after replicating in the intestine and this will trigger the immune response in the individual.
Explanation:
It should be noted that the sabin vaccine contains the weakened polio viruses which can also be referred to as the attenuated vaccine virus.
After the weakened or attenuated polio viruses have triggered the immune response , they are excreted after 8 weeks from the body.
