Shimla (Himachal Pradesh) [India], June 26 (ANI): Himachal Pradesh has completed all preparations for the National Immunization Day (NID) Pulse Polio Campaign to be held on Sunday, June 28, with the Health Department aiming to administer Oral Polio Vaccine (OPV) drops to nearly 5.94 lakh children below the age of five through 4,753 Pulse Polio booths across the state. The state's preparedness was reviewed at a me