In polio vaccination, the dead microbes are introduced into the children’s body. How does this vaccination protect the children from polio? A. by producing suitable antibodies that remain in the body B. by killing the disease-causing microbes directly C. by increasing the interaction of dead microbes with the live ones D. by increasing the number of beneficial bacteria
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ans is -C
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Polio vaccination protects by A. by producing suitable antibodies that remain in the body.
- Oral polio vaccine is live attenuated vaccine. This means the virus is live but too weakened to act.
- The human immune system can recognise this virus as foreign and produces antibodies against it.
- As the virus is weakened it can cause damage to humans.
- Thus, vaccine helps in providig protection to body.
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