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IMA Polio Dates


  • April 1st: tOPV would not be available after this date.
  • April 11th: bOPV would be available in private market but it is not to be opened or used before 25th April.
  • April 25 is IMA Polio Switch Day, when tOPV would be completely withdrawn and replaced by bOPV in both routine immunization and polio campaigns.
  • 9th May is IMA National Validation Day when India would be declared free of tOPV.