Question

Write down the different procedure of polio vaccination in current scenario as well
as before 20 years​

Answer 1

Answer:

To make IPV, poliovirus is purified and killed with a chemical (formaldehyde). IPV elicits antibodies in the bloodstream, not the intestines. It prevents the virus from traveling through the blood to the brain or spinal cord, thereby preventing paralysis

Explanation:

hope this answer will help you

Answer 2

Answer:

To make IPV, poliovirus is purified and killed with a chemical (formaldehyde). IPV elicits antibodies in the bloodstream, not the intestines. It prevents the virus from traveling through the blood to the brain or spinal cord, thereby preventing paralysis.

Explanation:

hope it helps!