Polio National Immunization Day
March 1 , 2022
1105 days
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- The Polio National Immunization Day (NID) 2022 was organized across the country on Sunday, 27th February 2022.
- India conducts one nationwide NID and two Sub-National Immunization Day (SNIDs) for polio every year.
- This is to maintain population immunity against wild poliovirus and to sustain its polio-free status.
- During the Polio NID, Over 15 crore children are covered across all 36 States and UTs in 735 districts.

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