• National Vaccination Day was first celebrated on 16 March 1995.
  • The first oral polio vaccine was administered under the Pulse Polio Immunization Programme.
  • Aim: Eradicate polio and achieve polio-free India status by 2014 (WHO-certified).
  • Mission Indradhanush (2014) launched to boost immunisation coverage.
  • Intensified Mission Indradhanush (2017) aimed at further increasing coverage.
  • Covers pregnant women, unvaccinated and partially vaccinated children in low-coverage areas.
  • IMI 5.0 (2023) covered 34 lakh children and 6 lakh pregnant women, improving full immunisation rates.