Addressing media persons at the district chief medical officer's office, immunization officer Vishal Singh said, "The international agencies, UNICEF and WHO, selected 201 districts from across the country for the vaccination program. Out of 201 districts, 40 districts fall in Uttar Pradesh."
The immunization program would last for seven days and vaccines would be administered to children from age zero to two years. In the first round, which started on April 1, 2015, 22,546 children were vaccinated. A total of 21,639 children were administered vaccination in the second round which started on May 1, 2015.