India, Oct. 28 -- Paediatrician Dr Rohini Nagarkar said two polio vaccines—oral polio vaccine and inactivated poliovirus vaccine—work together to provide complementary protection, in an interaction with HT Lifestyle on the occasion of World Polio Day, observed on October 24. The article, by Debapriya Bhattacharya, was updated on Oct 27, 2026, 16:13:40 IST.
Two vaccines and how they are administered
Dr Rohini Nagarkar described two types of polio vaccines and how they are given:
* Oral polio vaccine, or OPV
* Inactivated poliovirus vaccine, or IPV
According to the article, OPV is administered orally, while IPV is injected.
How poliovirus spreads and what the vaccines do
Dr Nagarkar said poliovirus enters through the mouth, multiplies i...